20312748

素因数分解:

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

素因数の和:572

約数の個数: 72

約数和(自身を含む): 55686960

約数和(自身を除く): 35374212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 361, 513, 521, 684, 722, 1026, 1042, 1083, 1444, 1563, 2052, 2084, 2166, 3126, 3249, 4332, 4689, 6252, 6498, 9378, 9747, 9899, 12996, 14067, 18756, 19494, 19798, 28134, 29697, 38988, 39596, 56268, 59394, 89091, 118788, 178182, 188081, 267273, 356364, 376162, 534546, 564243, 752324, 1069092, 1128486, 1692729, 2256972, 3385458, 5078187, 6770916, 10156374, 20312748]

約数ペア:

[(1, 20312748), (2, 10156374), (3, 6770916), (4, 5078187), (6, 3385458), (9, 2256972), (12, 1692729), (18, 1128486), (19, 1069092), (27, 752324), (36, 564243), (38, 534546), (54, 376162), (57, 356364), (76, 267273), (108, 188081), (114, 178182), (171, 118788), (228, 89091), (342, 59394), (361, 56268), (513, 39596), (521, 38988), (684, 29697), (722, 28134), (1026, 19798), (1042, 19494), (1083, 18756), (1444, 14067), (1563, 12996), (2052, 9899), (2084, 9747), (2166, 9378), (3126, 6498), (3249, 6252), (4332, 4689)]