20852916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1523}}^1$

素因数の和:1700

約数の個数: 48

約数和(自身を含む): 55985664

約数和(自身を除く): 35132748

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 163, 326, 489, 652, 978, 1141, 1523, 1956, 2282, 3046, 3423, 4564, 4569, 6092, 6846, 9138, 10661, 13692, 18276, 21322, 31983, 42644, 63966, 127932, 248249, 496498, 744747, 992996, 1489494, 1737743, 2978988, 3475486, 5213229, 6950972, 10426458, 20852916]

約数ペア:

[(1, 20852916), (2, 10426458), (3, 6950972), (4, 5213229), (6, 3475486), (7, 2978988), (12, 1737743), (14, 1489494), (21, 992996), (28, 744747), (42, 496498), (84, 248249), (163, 127932), (326, 63966), (489, 42644), (652, 31983), (978, 21322), (1141, 18276), (1523, 13692), (1956, 10661), (2282, 9138), (3046, 6846), (3423, 6092), (4564, 4569)]