20349618580

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{463}}^1\times {\mathrm{12277}}^1$

素因数の和:12928

約数の個数: 48

約数和(自身を含む): 43069259520

約数和(自身を除く): 22719640940

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 463, 716, 895, 926, 1790, 1852, 2315, 3580, 4630, 9260, 12277, 24554, 49108, 61385, 82877, 122770, 165754, 245540, 331508, 414385, 828770, 1657540, 2197583, 4395166, 5684251, 8790332, 10987915, 11368502, 21975830, 22737004, 28421255, 43951660, 56842510, 113685020, 1017480929, 2034961858, 4069923716, 5087404645, 10174809290, 20349618580]

約数ペア:

[(1, 20349618580), (2, 10174809290), (4, 5087404645), (5, 4069923716), (10, 2034961858), (20, 1017480929), (179, 113685020), (358, 56842510), (463, 43951660), (716, 28421255), (895, 22737004), (926, 21975830), (1790, 11368502), (1852, 10987915), (2315, 8790332), (3580, 5684251), (4630, 4395166), (9260, 2197583), (12277, 1657540), (24554, 828770), (49108, 414385), (61385, 331508), (82877, 245540), (122770, 165754)]