20001510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 54991872

約数和(自身を除く): 34990362

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 67, 90, 93, 107, 134, 155, 186, 201, 214, 279, 310, 321, 335, 402, 465, 535, 558, 603, 642, 670, 930, 963, 1005, 1070, 1206, 1395, 1605, 1926, 2010, 2077, 2790, 3015, 3210, 3317, 4154, 4815, 6030, 6231, 6634, 7169, 9630, 9951, 10385, 12462, 14338, 16585, 18693, 19902, 20770, 21507, 29853, 31155, 33170, 35845, 37386, 43014, 49755, 59706, 62310, 64521, 71690, 93465, 99510, 107535, 129042, 149265, 186930, 215070, 222239, 298530, 322605, 444478, 645210, 666717, 1111195, 1333434, 2000151, 2222390, 3333585, 4000302, 6667170, 10000755, 20001510]

約数ペア:

[(1, 20001510), (2, 10000755), (3, 6667170), (5, 4000302), (6, 3333585), (9, 2222390), (10, 2000151), (15, 1333434), (18, 1111195), (30, 666717), (31, 645210), (45, 444478), (62, 322605), (67, 298530), (90, 222239), (93, 215070), (107, 186930), (134, 149265), (155, 129042), (186, 107535), (201, 99510), (214, 93465), (279, 71690), (310, 64521), (321, 62310), (335, 59706), (402, 49755), (465, 43014), (535, 37386), (558, 35845), (603, 33170), (642, 31155), (670, 29853), (930, 21507), (963, 20770), (1005, 19902), (1070, 18693), (1206, 16585), (1395, 14338), (1605, 12462), (1926, 10385), (2010, 9951), (2077, 9630), (2790, 7169), (3015, 6634), (3210, 6231), (3317, 6030), (4154, 4815)]