20839616210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{6311}}^1$

素因数の和:6648

約数の個数: 96

約数和(自身を含む): 45695446272

約数和(自身を除く): 24855830062

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 293, 322, 490, 586, 805, 1127, 1465, 1610, 2051, 2254, 2930, 4102, 5635, 6311, 6739, 10255, 11270, 12622, 13478, 14357, 20510, 28714, 31555, 33695, 44177, 47173, 63110, 67390, 71785, 88354, 94346, 143570, 145153, 220885, 235865, 290306, 309239, 330211, 441770, 471730, 618478, 660422, 725765, 1016071, 1451530, 1546195, 1651055, 1849123, 2032142, 3092390, 3302110, 3698246, 5080355, 7112497, 9245615, 10160710, 12943861, 14224994, 18491230, 25887722, 35562485, 42529829, 64719305, 71124970, 85059658, 90607027, 129438610, 181214054, 212649145, 297708803, 425298290, 453035135, 595417606, 906070270, 1488544015, 2083961621, 2977088030, 4167923242, 10419808105, 20839616210]

約数ペア:

[(1, 20839616210), (2, 10419808105), (5, 4167923242), (7, 2977088030), (10, 2083961621), (14, 1488544015), (23, 906070270), (35, 595417606), (46, 453035135), (49, 425298290), (70, 297708803), (98, 212649145), (115, 181214054), (161, 129438610), (230, 90607027), (245, 85059658), (293, 71124970), (322, 64719305), (490, 42529829), (586, 35562485), (805, 25887722), (1127, 18491230), (1465, 14224994), (1610, 12943861), (2051, 10160710), (2254, 9245615), (2930, 7112497), (4102, 5080355), (5635, 3698246), (6311, 3302110), (6739, 3092390), (10255, 2032142), (11270, 1849123), (12622, 1651055), (13478, 1546195), (14357, 1451530), (20510, 1016071), (28714, 725765), (31555, 660422), (33695, 618478), (44177, 471730), (47173, 441770), (63110, 330211), (67390, 309239), (71785, 290306), (88354, 235865), (94346, 220885), (143570, 145153)]