20228820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5527}}^1$

素因数の和:5600

約数の個数: 48

約数和(自身を含む): 57579648

約数和(自身を除く): 37350828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5527, 11054, 16581, 22108, 27635, 33162, 55270, 66324, 82905, 110540, 165810, 331620, 337147, 674294, 1011441, 1348588, 1685735, 2022882, 3371470, 4045764, 5057205, 6742940, 10114410, 20228820]

約数ペア:

[(1, 20228820), (2, 10114410), (3, 6742940), (4, 5057205), (5, 4045764), (6, 3371470), (10, 2022882), (12, 1685735), (15, 1348588), (20, 1011441), (30, 674294), (60, 337147), (61, 331620), (122, 165810), (183, 110540), (244, 82905), (305, 66324), (366, 55270), (610, 33162), (732, 27635), (915, 22108), (1220, 16581), (1830, 11054), (3660, 5527)]