20906776

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6421}}^1$

素因数の和:6475

約数の個数: 32

約数和(自身を含む): 43926480

約数和(自身を除く): 23019704

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 6421, 12842, 25684, 51368, 70631, 141262, 237577, 282524, 475154, 565048, 950308, 1900616, 2613347, 5226694, 10453388, 20906776]

約数ペア:

[(1, 20906776), (2, 10453388), (4, 5226694), (8, 2613347), (11, 1900616), (22, 950308), (37, 565048), (44, 475154), (74, 282524), (88, 237577), (148, 141262), (296, 70631), (407, 51368), (814, 25684), (1628, 12842), (3256, 6421)]