20513302330

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{19309}}^1$

素因数の和:19519

約数の個数: 64

約数和(自身を含む): 40041216000

約数和(自身を除く): 19527913670

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 149, 155, 230, 298, 310, 713, 745, 1426, 1490, 3427, 3565, 4619, 6854, 7130, 9238, 17135, 19309, 23095, 34270, 38618, 46190, 96545, 106237, 193090, 212474, 444107, 531185, 598579, 888214, 1062370, 1197158, 2220535, 2877041, 2992895, 4441070, 5754082, 5985790, 13767317, 14385205, 27534634, 28770410, 66171943, 68836585, 89188271, 132343886, 137673170, 178376542, 330859715, 445941355, 661719430, 891882710, 2051330233, 4102660466, 10256651165, 20513302330]

約数ペア:

[(1, 20513302330), (2, 10256651165), (5, 4102660466), (10, 2051330233), (23, 891882710), (31, 661719430), (46, 445941355), (62, 330859715), (115, 178376542), (149, 137673170), (155, 132343886), (230, 89188271), (298, 68836585), (310, 66171943), (713, 28770410), (745, 27534634), (1426, 14385205), (1490, 13767317), (3427, 5985790), (3565, 5754082), (4619, 4441070), (6854, 2992895), (7130, 2877041), (9238, 2220535), (17135, 1197158), (19309, 1062370), (23095, 888214), (34270, 598579), (38618, 531185), (46190, 444107), (96545, 212474), (106237, 193090)]