20993466

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1487}}^1$

素因数の和:1686

約数の個数: 32

約数和(自身を含む): 45497088

約数和(自身を除く): 24503622

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 181, 362, 543, 1086, 1487, 2353, 2974, 4461, 4706, 7059, 8922, 14118, 19331, 38662, 57993, 115986, 269147, 538294, 807441, 1614882, 3498911, 6997822, 10496733, 20993466]

約数ペア:

[(1, 20993466), (2, 10496733), (3, 6997822), (6, 3498911), (13, 1614882), (26, 807441), (39, 538294), (78, 269147), (181, 115986), (362, 57993), (543, 38662), (1086, 19331), (1487, 14118), (2353, 8922), (2974, 7059), (4461, 4706)]