20290410724

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:629

約数の個数: 96

約数和(自身を含む): 38952506880

約数和(自身を除く): 18662096156

約数列:

[1, 2, 4, 17, 34, 61, 68, 97, 122, 194, 211, 239, 244, 388, 422, 478, 844, 956, 1037, 1649, 2074, 3298, 3587, 4063, 4148, 5917, 6596, 7174, 8126, 11834, 12871, 14348, 14579, 16252, 20467, 23183, 23668, 25742, 29158, 40934, 46366, 50429, 51484, 58316, 81868, 92732, 100589, 100858, 201178, 201716, 218807, 247843, 347939, 394111, 402356, 437614, 495686, 695878, 788222, 857293, 875228, 991372, 1248487, 1391756, 1414163, 1576444, 1714586, 2496974, 2828326, 3076169, 3429172, 4891613, 4993948, 5656652, 6152338, 9783226, 12304676, 19566452, 21224279, 24040771, 42448558, 48081542, 52294873, 83157421, 84897116, 96163084, 104589746, 166314842, 209179492, 298388393, 332629684, 596776786, 1193553572, 5072602681, 10145205362, 20290410724]

約数ペア:

[(1, 20290410724), (2, 10145205362), (4, 5072602681), (17, 1193553572), (34, 596776786), (61, 332629684), (68, 298388393), (97, 209179492), (122, 166314842), (194, 104589746), (211, 96163084), (239, 84897116), (244, 83157421), (388, 52294873), (422, 48081542), (478, 42448558), (844, 24040771), (956, 21224279), (1037, 19566452), (1649, 12304676), (2074, 9783226), (3298, 6152338), (3587, 5656652), (4063, 4993948), (4148, 4891613), (5917, 3429172), (6596, 3076169), (7174, 2828326), (8126, 2496974), (11834, 1714586), (12871, 1576444), (14348, 1414163), (14579, 1391756), (16252, 1248487), (20467, 991372), (23183, 875228), (23668, 857293), (25742, 788222), (29158, 695878), (40934, 495686), (46366, 437614), (50429, 402356), (51484, 394111), (58316, 347939), (81868, 247843), (92732, 218807), (100589, 201716), (100858, 201178)]