20367003910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{42751}}^1$

素因数の和:42901

約数の個数: 64

約数和(自身を含む): 41222504448

約数和(自身を除く): 20855500538

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 71, 110, 122, 142, 305, 355, 610, 671, 710, 781, 1342, 1562, 3355, 3905, 4331, 6710, 7810, 8662, 21655, 42751, 43310, 47641, 85502, 95282, 213755, 238205, 427510, 470261, 476410, 940522, 2351305, 2607811, 3035321, 4702610, 5215622, 6070642, 13039055, 15176605, 26078110, 28685921, 30353210, 33388531, 57371842, 66777062, 143429605, 166942655, 185154581, 286859210, 333885310, 370309162, 925772905, 1851545810, 2036700391, 4073400782, 10183501955, 20367003910]

約数ペア:

[(1, 20367003910), (2, 10183501955), (5, 4073400782), (10, 2036700391), (11, 1851545810), (22, 925772905), (55, 370309162), (61, 333885310), (71, 286859210), (110, 185154581), (122, 166942655), (142, 143429605), (305, 66777062), (355, 57371842), (610, 33388531), (671, 30353210), (710, 28685921), (781, 26078110), (1342, 15176605), (1562, 13039055), (3355, 6070642), (3905, 5215622), (4331, 4702610), (6710, 3035321), (7810, 2607811), (8662, 2351305), (21655, 940522), (42751, 476410), (43310, 470261), (47641, 427510), (85502, 238205), (95282, 213755)]