20853612

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{4951}}^1$

素因数の和:4980

約数の個数: 60

約数和(自身を含む): 58720816

約数和(自身を除く): 37867204

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 4951, 9902, 14853, 19804, 29706, 44559, 59412, 64363, 89118, 128726, 133677, 178236, 193089, 257452, 267354, 386178, 401031, 534708, 579267, 772356, 802062, 1158534, 1604124, 1737801, 2317068, 3475602, 5213403, 6951204, 10426806, 20853612]

約数ペア:

[(1, 20853612), (2, 10426806), (3, 6951204), (4, 5213403), (6, 3475602), (9, 2317068), (12, 1737801), (13, 1604124), (18, 1158534), (26, 802062), (27, 772356), (36, 579267), (39, 534708), (52, 401031), (54, 386178), (78, 267354), (81, 257452), (108, 193089), (117, 178236), (156, 133677), (162, 128726), (234, 89118), (324, 64363), (351, 59412), (468, 44559), (702, 29706), (1053, 19804), (1404, 14853), (2106, 9902), (4212, 4951)]