20189954902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{3947}}^1$

素因数の和:4213

約数の個数: 64

約数和(自身を含む): 35243195904

約数和(自身を除く): 15053241002

約数列:

[1, 2, 13, 17, 26, 34, 71, 142, 163, 221, 326, 442, 923, 1207, 1846, 2119, 2414, 2771, 3947, 4238, 5542, 7894, 11573, 15691, 23146, 31382, 36023, 51311, 67099, 72046, 102622, 134198, 150449, 196741, 280237, 300898, 393482, 560474, 643361, 872287, 1286722, 1744574, 2557633, 3643081, 4764029, 5115266, 7286162, 8363693, 9528058, 10937137, 16727386, 21874274, 45678631, 61932377, 91357262, 123864754, 142182781, 284365562, 593822203, 776536727, 1187644406, 1553073454, 10094977451, 20189954902]

約数ペア:

[(1, 20189954902), (2, 10094977451), (13, 1553073454), (17, 1187644406), (26, 776536727), (34, 593822203), (71, 284365562), (142, 142182781), (163, 123864754), (221, 91357262), (326, 61932377), (442, 45678631), (923, 21874274), (1207, 16727386), (1846, 10937137), (2119, 9528058), (2414, 8363693), (2771, 7286162), (3947, 5115266), (4238, 4764029), (5542, 3643081), (7894, 2557633), (11573, 1744574), (15691, 1286722), (23146, 872287), (31382, 643361), (36023, 560474), (51311, 393482), (67099, 300898), (72046, 280237), (102622, 196741), (134198, 150449)]