20683670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 46033920

約数和(自身を除く): 25350250

約数列:

[1, 2, 5, 7, 10, 14, 23, 29, 35, 46, 58, 70, 115, 145, 161, 203, 230, 290, 322, 406, 443, 667, 805, 886, 1015, 1334, 1610, 2030, 2215, 3101, 3335, 4430, 4669, 6202, 6670, 9338, 10189, 12847, 15505, 20378, 23345, 25694, 31010, 46690, 50945, 64235, 71323, 89929, 101890, 128470, 142646, 179858, 295481, 356615, 449645, 590962, 713230, 899290, 1477405, 2068367, 2954810, 4136734, 10341835, 20683670]

約数ペア:

[(1, 20683670), (2, 10341835), (5, 4136734), (7, 2954810), (10, 2068367), (14, 1477405), (23, 899290), (29, 713230), (35, 590962), (46, 449645), (58, 356615), (70, 295481), (115, 179858), (145, 142646), (161, 128470), (203, 101890), (230, 89929), (290, 71323), (322, 64235), (406, 50945), (443, 46690), (667, 31010), (805, 25694), (886, 23345), (1015, 20378), (1334, 15505), (1610, 12847), (2030, 10189), (2215, 9338), (3101, 6670), (3335, 6202), (4430, 4669)]