22819780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1637}}^1$

素因数の和:1704

約数の個数: 48

約数和(自身を含む): 52009776

約数和(自身を除く): 29189996

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 1637, 2788, 3274, 3485, 6548, 6970, 8185, 13940, 16370, 27829, 32740, 55658, 67117, 111316, 134234, 139145, 268468, 278290, 335585, 556580, 671170, 1140989, 1342340, 2281978, 4563956, 5704945, 11409890, 22819780]

約数ペア:

[(1, 22819780), (2, 11409890), (4, 5704945), (5, 4563956), (10, 2281978), (17, 1342340), (20, 1140989), (34, 671170), (41, 556580), (68, 335585), (82, 278290), (85, 268468), (164, 139145), (170, 134234), (205, 111316), (340, 67117), (410, 55658), (697, 32740), (820, 27829), (1394, 16370), (1637, 13940), (2788, 8185), (3274, 6970), (3485, 6548)]