20138163860

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{677}}^1\times {\mathrm{3709}}^1$

素因数の和:4796

約数の個数: 48

約数和(自身を含む): 42469675920

約数和(自身を除く): 22331512060

約数列:

[1, 2, 4, 5, 10, 20, 401, 677, 802, 1354, 1604, 2005, 2708, 3385, 3709, 4010, 6770, 7418, 8020, 13540, 14836, 18545, 37090, 74180, 271477, 542954, 1085908, 1357385, 1487309, 2510993, 2714770, 2974618, 5021986, 5429540, 5949236, 7436545, 10043972, 12554965, 14873090, 25109930, 29746180, 50219860, 1006908193, 2013816386, 4027632772, 5034540965, 10069081930, 20138163860]

約数ペア:

[(1, 20138163860), (2, 10069081930), (4, 5034540965), (5, 4027632772), (10, 2013816386), (20, 1006908193), (401, 50219860), (677, 29746180), (802, 25109930), (1354, 14873090), (1604, 12554965), (2005, 10043972), (2708, 7436545), (3385, 5949236), (3709, 5429540), (4010, 5021986), (6770, 2974618), (7418, 2714770), (8020, 2510993), (13540, 1487309), (14836, 1357385), (18545, 1085908), (37090, 542954), (74180, 271477)]