20218955988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{7517}}^1$

素因数の和:7654

約数の個数: 192

約数和(自身を含む): 61110153216

約数和(自身を除く): 40891197228

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 41, 42, 44, 66, 71, 77, 82, 84, 123, 132, 142, 154, 164, 213, 231, 246, 284, 287, 308, 426, 451, 462, 492, 497, 574, 781, 852, 861, 902, 924, 994, 1148, 1353, 1491, 1562, 1722, 1804, 1988, 2343, 2706, 2911, 2982, 3124, 3157, 3444, 4686, 5412, 5467, 5822, 5964, 6314, 7517, 8733, 9372, 9471, 10934, 11644, 12628, 15034, 16401, 17466, 18942, 20377, 21868, 22551, 30068, 32021, 32802, 34932, 37884, 40754, 45102, 52619, 61131, 64042, 65604, 81508, 82687, 90204, 96063, 105238, 122262, 128084, 157857, 165374, 192126, 210476, 224147, 244524, 248061, 308197, 315714, 330748, 384252, 448294, 496122, 533707, 578809, 616394, 631428, 672441, 896588, 924591, 992244, 1067414, 1157618, 1232788, 1344882, 1601121, 1736427, 1849182, 2134828, 2157379, 2315236, 2689764, 3202242, 3390167, 3472854, 3698364, 3735949, 4314758, 5870777, 6404484, 6472137, 6780334, 6945708, 7471898, 8629516, 10170501, 11207847, 11741554, 12944274, 13560668, 14943796, 17612331, 20341002, 21881987, 22415694, 23483108, 23731169, 25888548, 35224662, 40682004, 41095439, 43763974, 44831388, 47462338, 65645961, 70449324, 71193507, 82190878, 87527948, 94924676, 123286317, 131291922, 142387014, 153173909, 164381756, 240701857, 246572634, 262583844, 284774028, 306347818, 459521727, 481403714, 493145268, 612695636, 722105571, 919043454, 962807428, 1444211142, 1684912999, 1838086908, 2888422284, 3369825998, 5054738997, 6739651996, 10109477994, 20218955988]

約数ペア:

[(1, 20218955988), (2, 10109477994), (3, 6739651996), (4, 5054738997), (6, 3369825998), (7, 2888422284), (11, 1838086908), (12, 1684912999), (14, 1444211142), (21, 962807428), (22, 919043454), (28, 722105571), (33, 612695636), (41, 493145268), (42, 481403714), (44, 459521727), (66, 306347818), (71, 284774028), (77, 262583844), (82, 246572634), (84, 240701857), (123, 164381756), (132, 153173909), (142, 142387014), (154, 131291922), (164, 123286317), (213, 94924676), (231, 87527948), (246, 82190878), (284, 71193507), (287, 70449324), (308, 65645961), (426, 47462338), (451, 44831388), (462, 43763974), (492, 41095439), (497, 40682004), (574, 35224662), (781, 25888548), (852, 23731169), (861, 23483108), (902, 22415694), (924, 21881987), (994, 20341002), (1148, 17612331), (1353, 14943796), (1491, 13560668), (1562, 12944274), (1722, 11741554), (1804, 11207847), (1988, 10170501), (2343, 8629516), (2706, 7471898), (2911, 6945708), (2982, 6780334), (3124, 6472137), (3157, 6404484), (3444, 5870777), (4686, 4314758), (5412, 3735949), (5467, 3698364), (5822, 3472854), (5964, 3390167), (6314, 3202242), (7517, 2689764), (8733, 2315236), (9372, 2157379), (9471, 2134828), (10934, 1849182), (11644, 1736427), (12628, 1601121), (15034, 1344882), (16401, 1232788), (17466, 1157618), (18942, 1067414), (20377, 992244), (21868, 924591), (22551, 896588), (30068, 672441), (32021, 631428), (32802, 616394), (34932, 578809), (37884, 533707), (40754, 496122), (45102, 448294), (52619, 384252), (61131, 330748), (64042, 315714), (65604, 308197), (81508, 248061), (82687, 244524), (90204, 224147), (96063, 210476), (105238, 192126), (122262, 165374), (128084, 157857)]