20174503644

素因数分解:

$2^2\times 3^2\times {\mathrm{173}}^1\times {\mathrm{1187}}^1\times {\mathrm{2729}}^1$

素因数の和:4099

約数の個数: 72

約数和(自身を含む): 51353462160

約数和(自身を除く): 31178958516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 173, 346, 519, 692, 1038, 1187, 1557, 2076, 2374, 2729, 3114, 3561, 4748, 5458, 6228, 7122, 8187, 10683, 10916, 14244, 16374, 21366, 24561, 32748, 42732, 49122, 98244, 205351, 410702, 472117, 616053, 821404, 944234, 1232106, 1416351, 1848159, 1888468, 2464212, 2832702, 3239323, 3696318, 4249053, 5665404, 6478646, 7392636, 8498106, 9717969, 12957292, 16996212, 19435938, 29153907, 38871876, 58307814, 116615628, 560402879, 1120805758, 1681208637, 2241611516, 3362417274, 5043625911, 6724834548, 10087251822, 20174503644]

約数ペア:

[(1, 20174503644), (2, 10087251822), (3, 6724834548), (4, 5043625911), (6, 3362417274), (9, 2241611516), (12, 1681208637), (18, 1120805758), (36, 560402879), (173, 116615628), (346, 58307814), (519, 38871876), (692, 29153907), (1038, 19435938), (1187, 16996212), (1557, 12957292), (2076, 9717969), (2374, 8498106), (2729, 7392636), (3114, 6478646), (3561, 5665404), (4748, 4249053), (5458, 3696318), (6228, 3239323), (7122, 2832702), (8187, 2464212), (10683, 1888468), (10916, 1848159), (14244, 1416351), (16374, 1232106), (21366, 944234), (24561, 821404), (32748, 616053), (42732, 472117), (49122, 410702), (98244, 205351)]