20007883610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{74821}}^1$

素因数の和:74880

約数の個数: 96

約数和(自身を含む): 45139214736

約数和(自身を除く): 25131331126

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 110, 121, 130, 143, 170, 187, 221, 242, 286, 374, 442, 605, 715, 935, 1105, 1210, 1430, 1573, 1870, 2057, 2210, 2431, 3146, 4114, 4862, 7865, 10285, 12155, 15730, 20570, 24310, 26741, 53482, 74821, 133705, 149642, 267410, 374105, 748210, 823031, 972673, 1271957, 1646062, 1945346, 2543914, 4115155, 4863365, 6359785, 8230310, 9053341, 9726730, 10699403, 12719570, 13991527, 16535441, 18106682, 21398806, 27983054, 33070882, 45266705, 53497015, 69957635, 82677205, 90533410, 106994030, 117693433, 139915270, 153906797, 165354410, 181889851, 235386866, 307813594, 363779702, 588467165, 769533985, 909449255, 1176934330, 1539067970, 1818898510, 2000788361, 4001576722, 10003941805, 20007883610]

約数ペア:

[(1, 20007883610), (2, 10003941805), (5, 4001576722), (10, 2000788361), (11, 1818898510), (13, 1539067970), (17, 1176934330), (22, 909449255), (26, 769533985), (34, 588467165), (55, 363779702), (65, 307813594), (85, 235386866), (110, 181889851), (121, 165354410), (130, 153906797), (143, 139915270), (170, 117693433), (187, 106994030), (221, 90533410), (242, 82677205), (286, 69957635), (374, 53497015), (442, 45266705), (605, 33070882), (715, 27983054), (935, 21398806), (1105, 18106682), (1210, 16535441), (1430, 13991527), (1573, 12719570), (1870, 10699403), (2057, 9726730), (2210, 9053341), (2431, 8230310), (3146, 6359785), (4114, 4863365), (4862, 4115155), (7865, 2543914), (10285, 1945346), (12155, 1646062), (15730, 1271957), (20570, 972673), (24310, 823031), (26741, 748210), (53482, 374105), (74821, 267410), (133705, 149642)]