20125552

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3217}}^1$

素因数の和:3265

約数の個数: 40

約数和(自身を含む): 43095456

約数和(自身を除く): 22969904

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 3128, 3217, 6256, 6434, 12868, 25736, 51472, 54689, 73991, 109378, 147982, 218756, 295964, 437512, 591928, 875024, 1183856, 1257847, 2515694, 5031388, 10062776, 20125552]

約数ペア:

[(1, 20125552), (2, 10062776), (4, 5031388), (8, 2515694), (16, 1257847), (17, 1183856), (23, 875024), (34, 591928), (46, 437512), (68, 295964), (92, 218756), (136, 147982), (184, 109378), (272, 73991), (368, 54689), (391, 51472), (782, 25736), (1564, 12868), (3128, 6434), (3217, 6256)]