20211057410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1948993}}^1$

素因数の和:1949078

約数の個数: 32

約数和(自身を含む): 39151391472

約数和(自身を除く): 18940334062

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 2074, 5185, 10370, 1948993, 3897986, 9744965, 19489930, 33132881, 66265762, 118888573, 165664405, 237777146, 331328810, 594442865, 1188885730, 2021105741, 4042211482, 10105528705, 20211057410]

約数ペア:

[(1, 20211057410), (2, 10105528705), (5, 4042211482), (10, 2021105741), (17, 1188885730), (34, 594442865), (61, 331328810), (85, 237777146), (122, 165664405), (170, 118888573), (305, 66265762), (610, 33132881), (1037, 19489930), (2074, 9744965), (5185, 3897986), (10370, 1948993)]