20116270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{491}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 38576736

約数和(自身を除く): 18460466

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 241, 482, 491, 982, 1205, 2410, 2455, 4097, 4910, 8194, 8347, 16694, 20485, 40970, 41735, 83470, 118331, 236662, 591655, 1183310, 2011627, 4023254, 10058135, 20116270]

約数ペア:

[(1, 20116270), (2, 10058135), (5, 4023254), (10, 2011627), (17, 1183310), (34, 591655), (85, 236662), (170, 118331), (241, 83470), (482, 41735), (491, 40970), (982, 20485), (1205, 16694), (2410, 8347), (2455, 8194), (4097, 4910)]