20847294

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:567

約数の個数: 80

約数和(自身を含む): 53056080

約数和(自身を除く): 32208786

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 81, 114, 117, 162, 171, 234, 247, 342, 351, 494, 513, 521, 702, 741, 1026, 1042, 1053, 1482, 1539, 1563, 2106, 2223, 3078, 3126, 4446, 4689, 6669, 6773, 9378, 9899, 13338, 13546, 14067, 19798, 20007, 20319, 28134, 29697, 40014, 40638, 42201, 59394, 60957, 84402, 89091, 121914, 128687, 178182, 182871, 257374, 267273, 365742, 386061, 534546, 548613, 772122, 801819, 1097226, 1158183, 1603638, 2316366, 3474549, 6949098, 10423647, 20847294]

約数ペア:

[(1, 20847294), (2, 10423647), (3, 6949098), (6, 3474549), (9, 2316366), (13, 1603638), (18, 1158183), (19, 1097226), (26, 801819), (27, 772122), (38, 548613), (39, 534546), (54, 386061), (57, 365742), (78, 267273), (81, 257374), (114, 182871), (117, 178182), (162, 128687), (171, 121914), (234, 89091), (247, 84402), (342, 60957), (351, 59394), (494, 42201), (513, 40638), (521, 40014), (702, 29697), (741, 28134), (1026, 20319), (1042, 20007), (1053, 19798), (1482, 14067), (1539, 13546), (1563, 13338), (2106, 9899), (2223, 9378), (3078, 6773), (3126, 6669), (4446, 4689)]