20815052445

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{3631}}^1$

素因数の和:4003

約数の個数: 96

約数和(自身を含む): 40563454464

約数和(自身を除く): 19748402019

約数列:

[1, 3, 5, 9, 11, 15, 33, 37, 45, 55, 99, 111, 165, 185, 313, 333, 407, 495, 555, 939, 1221, 1565, 1665, 2035, 2817, 3443, 3631, 3663, 4695, 6105, 10329, 10893, 11581, 14085, 17215, 18155, 18315, 30987, 32679, 34743, 39941, 51645, 54465, 57905, 104229, 119823, 127391, 134347, 154935, 163395, 173715, 199705, 359469, 382173, 403041, 521145, 599115, 636955, 671735, 1136503, 1146519, 1209123, 1477817, 1797345, 1910865, 2015205, 3409509, 4433451, 5682515, 5732595, 6045615, 7389085, 10228527, 12501533, 13300353, 17047545, 22167255, 37504599, 42050611, 51142635, 62507665, 66501765, 112513797, 126151833, 187522995, 210253055, 378455499, 462556721, 562568985, 630759165, 1387670163, 1892277495, 2312783605, 4163010489, 6938350815, 20815052445]

約数ペア:

[(1, 20815052445), (3, 6938350815), (5, 4163010489), (9, 2312783605), (11, 1892277495), (15, 1387670163), (33, 630759165), (37, 562568985), (45, 462556721), (55, 378455499), (99, 210253055), (111, 187522995), (165, 126151833), (185, 112513797), (313, 66501765), (333, 62507665), (407, 51142635), (495, 42050611), (555, 37504599), (939, 22167255), (1221, 17047545), (1565, 13300353), (1665, 12501533), (2035, 10228527), (2817, 7389085), (3443, 6045615), (3631, 5732595), (3663, 5682515), (4695, 4433451), (6105, 3409509), (10329, 2015205), (10893, 1910865), (11581, 1797345), (14085, 1477817), (17215, 1209123), (18155, 1146519), (18315, 1136503), (30987, 671735), (32679, 636955), (34743, 599115), (39941, 521145), (51645, 403041), (54465, 382173), (57905, 359469), (104229, 199705), (119823, 173715), (127391, 163395), (134347, 154935)]