20343841722

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{260959}}^1$

素因数の和:261099

約数の個数: 48

約数和(自身を含む): 45432092160

約数和(自身を除く): 25088250438

約数列:

[1, 2, 3, 6, 9, 18, 61, 71, 122, 142, 183, 213, 366, 426, 549, 639, 1098, 1278, 4331, 8662, 12993, 25986, 38979, 77958, 260959, 521918, 782877, 1565754, 2348631, 4697262, 15918499, 18528089, 31836998, 37056178, 47755497, 55584267, 95510994, 111168534, 143266491, 166752801, 286532982, 333505602, 1130213429, 2260426858, 3390640287, 6781280574, 10171920861, 20343841722]

約数ペア:

[(1, 20343841722), (2, 10171920861), (3, 6781280574), (6, 3390640287), (9, 2260426858), (18, 1130213429), (61, 333505602), (71, 286532982), (122, 166752801), (142, 143266491), (183, 111168534), (213, 95510994), (366, 55584267), (426, 47755497), (549, 37056178), (639, 31836998), (1098, 18528089), (1278, 15918499), (4331, 4697262), (8662, 2348631), (12993, 1565754), (25986, 782877), (38979, 521918), (77958, 260959)]