20669064

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2137}}^1$

素因数の和:2190

約数の個数: 64

約数和(自身を含む): 57469440

約数和(自身を除く): 36800376

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 744, 806, 1209, 1612, 2137, 2418, 3224, 4274, 4836, 6411, 8548, 9672, 12822, 17096, 25644, 27781, 51288, 55562, 66247, 83343, 111124, 132494, 166686, 198741, 222248, 264988, 333372, 397482, 529976, 666744, 794964, 861211, 1589928, 1722422, 2583633, 3444844, 5167266, 6889688, 10334532, 20669064]

約数ペア:

[(1, 20669064), (2, 10334532), (3, 6889688), (4, 5167266), (6, 3444844), (8, 2583633), (12, 1722422), (13, 1589928), (24, 861211), (26, 794964), (31, 666744), (39, 529976), (52, 397482), (62, 333372), (78, 264988), (93, 222248), (104, 198741), (124, 166686), (156, 132494), (186, 111124), (248, 83343), (312, 66247), (372, 55562), (403, 51288), (744, 27781), (806, 25644), (1209, 17096), (1612, 12822), (2137, 9672), (2418, 8548), (3224, 6411), (4274, 4836)]