20134174840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{634747}}^1$

素因数の和:634832

約数の個数: 64

約数和(自身を含む): 49586513760

約数和(自身を除く): 29452338920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 2440, 3172, 3965, 6344, 7930, 15860, 31720, 634747, 1269494, 2538988, 3173735, 5077976, 6347470, 8251711, 12694940, 16503422, 25389880, 33006844, 38719567, 41258555, 66013688, 77439134, 82517110, 154878268, 165034220, 193597835, 309756536, 330068440, 387195670, 503354371, 774391340, 1006708742, 1548782680, 2013417484, 2516771855, 4026834968, 5033543710, 10067087420, 20134174840]

約数ペア:

[(1, 20134174840), (2, 10067087420), (4, 5033543710), (5, 4026834968), (8, 2516771855), (10, 2013417484), (13, 1548782680), (20, 1006708742), (26, 774391340), (40, 503354371), (52, 387195670), (61, 330068440), (65, 309756536), (104, 193597835), (122, 165034220), (130, 154878268), (244, 82517110), (260, 77439134), (305, 66013688), (488, 41258555), (520, 38719567), (610, 33006844), (793, 25389880), (1220, 16503422), (1586, 12694940), (2440, 8251711), (3172, 6347470), (3965, 5077976), (6344, 3173735), (7930, 2538988), (15860, 1269494), (31720, 634747)]