20828262

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1031}}^1$

素因数の和:1093

約数の個数: 64

約数和(自身を含む): 52706304

約数和(自身を除く): 31878042

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 37, 39, 42, 74, 78, 91, 111, 182, 222, 259, 273, 481, 518, 546, 777, 962, 1031, 1443, 1554, 2062, 2886, 3093, 3367, 6186, 6734, 7217, 10101, 13403, 14434, 20202, 21651, 26806, 38147, 40209, 43302, 76294, 80418, 93821, 114441, 187642, 228882, 267029, 281463, 495911, 534058, 562926, 801087, 991822, 1487733, 1602174, 2975466, 3471377, 6942754, 10414131, 20828262]

約数ペア:

[(1, 20828262), (2, 10414131), (3, 6942754), (6, 3471377), (7, 2975466), (13, 1602174), (14, 1487733), (21, 991822), (26, 801087), (37, 562926), (39, 534058), (42, 495911), (74, 281463), (78, 267029), (91, 228882), (111, 187642), (182, 114441), (222, 93821), (259, 80418), (273, 76294), (481, 43302), (518, 40209), (546, 38147), (777, 26806), (962, 21651), (1031, 20202), (1443, 14434), (1554, 13403), (2062, 10101), (2886, 7217), (3093, 6734), (3367, 6186)]