20382822

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 45995040

約数和(自身を除く): 25612218

約数列:

[1, 2, 3, 6, 9, 18, 41, 71, 82, 123, 142, 213, 246, 369, 389, 426, 639, 738, 778, 1167, 1278, 2334, 2911, 3501, 5822, 7002, 8733, 15949, 17466, 26199, 27619, 31898, 47847, 52398, 55238, 82857, 95694, 143541, 165714, 248571, 287082, 497142, 1132379, 2264758, 3397137, 6794274, 10191411, 20382822]

約数ペア:

[(1, 20382822), (2, 10191411), (3, 6794274), (6, 3397137), (9, 2264758), (18, 1132379), (41, 497142), (71, 287082), (82, 248571), (123, 165714), (142, 143541), (213, 95694), (246, 82857), (369, 55238), (389, 52398), (426, 47847), (639, 31898), (738, 27619), (778, 26199), (1167, 17466), (1278, 15949), (2334, 8733), (2911, 7002), (3501, 5822)]