20161491786

素因数分解:

$2^1\times 3^5\times {\mathrm{43}}^1\times {\mathrm{964757}}^1$

素因数の和:964817

約数の個数: 48

約数和(自身を含む): 46354692384

約数和(自身を除く): 26193200598

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 243, 258, 387, 486, 774, 1161, 2322, 3483, 6966, 10449, 20898, 964757, 1929514, 2894271, 5788542, 8682813, 17365626, 26048439, 41484551, 52096878, 78145317, 82969102, 124453653, 156290634, 234435951, 248907306, 373360959, 468871902, 746721918, 1120082877, 2240165754, 3360248631, 6720497262, 10080745893, 20161491786]

約数ペア:

[(1, 20161491786), (2, 10080745893), (3, 6720497262), (6, 3360248631), (9, 2240165754), (18, 1120082877), (27, 746721918), (43, 468871902), (54, 373360959), (81, 248907306), (86, 234435951), (129, 156290634), (162, 124453653), (243, 82969102), (258, 78145317), (387, 52096878), (486, 41484551), (774, 26048439), (1161, 17365626), (2322, 8682813), (3483, 5788542), (6966, 2894271), (10449, 1929514), (20898, 964757)]