20201631420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{9619}}^1$

素因数の和:9748

約数の個数: 192

約数和(自身を含む): 62836300800

約数和(自身を除く): 42634669380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 29, 30, 34, 51, 58, 60, 68, 71, 85, 87, 102, 116, 142, 145, 170, 174, 204, 213, 255, 284, 290, 340, 348, 355, 426, 435, 493, 510, 580, 710, 852, 870, 986, 1020, 1065, 1207, 1420, 1479, 1740, 1972, 2059, 2130, 2414, 2465, 2958, 3621, 4118, 4260, 4828, 4930, 5916, 6035, 6177, 7242, 7395, 8236, 9619, 9860, 10295, 12070, 12354, 14484, 14790, 18105, 19238, 20590, 24140, 24708, 28857, 29580, 30885, 35003, 36210, 38476, 41180, 48095, 57714, 61770, 70006, 72420, 96190, 105009, 115428, 123540, 140012, 144285, 163523, 175015, 192380, 210018, 278951, 288570, 327046, 350030, 420036, 490569, 525045, 557902, 577140, 654092, 682949, 700060, 817615, 836853, 981138, 1050090, 1115804, 1365898, 1394755, 1635230, 1673706, 1962276, 2048847, 2100180, 2452845, 2731796, 2789510, 3270460, 3347412, 3414745, 4097694, 4184265, 4742167, 4905690, 5579020, 6829490, 8195388, 8368530, 9484334, 9811380, 10244235, 11610133, 13658980, 14226501, 16737060, 18968668, 19805521, 20488470, 23220266, 23710835, 28453002, 34830399, 39611042, 40976940, 46440532, 47421670, 56906004, 58050665, 59416563, 69660798, 71132505, 79222084, 94843340, 99027605, 116101330, 118833126, 139321596, 142265010, 174151995, 198055210, 232202660, 237666252, 284530020, 297082815, 336693857, 348303990, 396110420, 594165630, 673387714, 696607980, 1010081571, 1188331260, 1346775428, 1683469285, 2020163142, 3366938570, 4040326284, 5050407855, 6733877140, 10100815710, 20201631420]

約数ペア:

[(1, 20201631420), (2, 10100815710), (3, 6733877140), (4, 5050407855), (5, 4040326284), (6, 3366938570), (10, 2020163142), (12, 1683469285), (15, 1346775428), (17, 1188331260), (20, 1010081571), (29, 696607980), (30, 673387714), (34, 594165630), (51, 396110420), (58, 348303990), (60, 336693857), (68, 297082815), (71, 284530020), (85, 237666252), (87, 232202660), (102, 198055210), (116, 174151995), (142, 142265010), (145, 139321596), (170, 118833126), (174, 116101330), (204, 99027605), (213, 94843340), (255, 79222084), (284, 71132505), (290, 69660798), (340, 59416563), (348, 58050665), (355, 56906004), (426, 47421670), (435, 46440532), (493, 40976940), (510, 39611042), (580, 34830399), (710, 28453002), (852, 23710835), (870, 23220266), (986, 20488470), (1020, 19805521), (1065, 18968668), (1207, 16737060), (1420, 14226501), (1479, 13658980), (1740, 11610133), (1972, 10244235), (2059, 9811380), (2130, 9484334), (2414, 8368530), (2465, 8195388), (2958, 6829490), (3621, 5579020), (4118, 4905690), (4260, 4742167), (4828, 4184265), (4930, 4097694), (5916, 3414745), (6035, 3347412), (6177, 3270460), (7242, 2789510), (7395, 2731796), (8236, 2452845), (9619, 2100180), (9860, 2048847), (10295, 1962276), (12070, 1673706), (12354, 1635230), (14484, 1394755), (14790, 1365898), (18105, 1115804), (19238, 1050090), (20590, 981138), (24140, 836853), (24708, 817615), (28857, 700060), (29580, 682949), (30885, 654092), (35003, 577140), (36210, 557902), (38476, 525045), (41180, 490569), (48095, 420036), (57714, 350030), (61770, 327046), (70006, 288570), (72420, 278951), (96190, 210018), (105009, 192380), (115428, 175015), (123540, 163523), (140012, 144285)]