20785108974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{102101}}^1$

素因数の和:102281

約数の個数: 64

約数和(自身を含む): 49165788672

約数和(自身を除く): 28380679698

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 131, 222, 259, 262, 393, 518, 777, 786, 917, 1554, 1834, 2751, 4847, 5502, 9694, 14541, 29082, 33929, 67858, 101787, 102101, 203574, 204202, 306303, 612606, 714707, 1429414, 2144121, 3777737, 4288242, 7555474, 11333211, 13375231, 22666422, 26444159, 26750462, 40125693, 52888318, 79332477, 80251386, 93626617, 158664954, 187253234, 280879851, 494883547, 561759702, 989767094, 1484650641, 2969301282, 3464184829, 6928369658, 10392554487, 20785108974]

約数ペア:

[(1, 20785108974), (2, 10392554487), (3, 6928369658), (6, 3464184829), (7, 2969301282), (14, 1484650641), (21, 989767094), (37, 561759702), (42, 494883547), (74, 280879851), (111, 187253234), (131, 158664954), (222, 93626617), (259, 80251386), (262, 79332477), (393, 52888318), (518, 40125693), (777, 26750462), (786, 26444159), (917, 22666422), (1554, 13375231), (1834, 11333211), (2751, 7555474), (4847, 4288242), (5502, 3777737), (9694, 2144121), (14541, 1429414), (29082, 714707), (33929, 612606), (67858, 306303), (101787, 204202), (102101, 203574)]