20194288430

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1\times {\mathrm{823}}^1$

素因数の和:1641

約数の個数: 64

約数和(自身を含む): 37688467968

約数和(自身を除く): 17494179538

約数列:

[1, 2, 5, 10, 53, 67, 106, 134, 265, 335, 530, 670, 691, 823, 1382, 1646, 3455, 3551, 4115, 6910, 7102, 8230, 17755, 35510, 36623, 43619, 46297, 55141, 73246, 87238, 92594, 110282, 183115, 218095, 231485, 275705, 366230, 436190, 462970, 551410, 568693, 1137386, 2453741, 2843465, 2922473, 4907482, 5686930, 5844946, 12268705, 14612365, 24537410, 29224730, 30140729, 38102431, 60281458, 76204862, 150703645, 190512155, 301407290, 381024310, 2019428843, 4038857686, 10097144215, 20194288430]

約数ペア:

[(1, 20194288430), (2, 10097144215), (5, 4038857686), (10, 2019428843), (53, 381024310), (67, 301407290), (106, 190512155), (134, 150703645), (265, 76204862), (335, 60281458), (530, 38102431), (670, 30140729), (691, 29224730), (823, 24537410), (1382, 14612365), (1646, 12268705), (3455, 5844946), (3551, 5686930), (4115, 4907482), (6910, 2922473), (7102, 2843465), (8230, 2453741), (17755, 1137386), (35510, 568693), (36623, 551410), (43619, 462970), (46297, 436190), (55141, 366230), (73246, 275705), (87238, 231485), (92594, 218095), (110282, 183115)]