20023960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2677}}^1$

素因数の和:2716

約数の個数: 64

約数和(自身を含む): 52060320

約数和(自身を除く): 32036360

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 2677, 3740, 5354, 7480, 10708, 13385, 21416, 26770, 29447, 45509, 53540, 58894, 91018, 107080, 117788, 147235, 182036, 227545, 235576, 294470, 364072, 455090, 500599, 588940, 910180, 1001198, 1177880, 1820360, 2002396, 2502995, 4004792, 5005990, 10011980, 20023960]

約数ペア:

[(1, 20023960), (2, 10011980), (4, 5005990), (5, 4004792), (8, 2502995), (10, 2002396), (11, 1820360), (17, 1177880), (20, 1001198), (22, 910180), (34, 588940), (40, 500599), (44, 455090), (55, 364072), (68, 294470), (85, 235576), (88, 227545), (110, 182036), (136, 147235), (170, 117788), (187, 107080), (220, 91018), (340, 58894), (374, 53540), (440, 45509), (680, 29447), (748, 26770), (935, 21416), (1496, 13385), (1870, 10708), (2677, 7480), (3740, 5354)]