20657268

素因数分解:

$2^2\times 3^4\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:738

約数の個数: 60

約数和(自身を含む): 54614560

約数和(自身を除く): 33957292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 103, 108, 162, 206, 309, 324, 412, 618, 619, 927, 1236, 1238, 1854, 1857, 2476, 2781, 3708, 3714, 5562, 5571, 7428, 8343, 11124, 11142, 16686, 16713, 22284, 33372, 33426, 50139, 63757, 66852, 100278, 127514, 191271, 200556, 255028, 382542, 573813, 765084, 1147626, 1721439, 2295252, 3442878, 5164317, 6885756, 10328634, 20657268]

約数ペア:

[(1, 20657268), (2, 10328634), (3, 6885756), (4, 5164317), (6, 3442878), (9, 2295252), (12, 1721439), (18, 1147626), (27, 765084), (36, 573813), (54, 382542), (81, 255028), (103, 200556), (108, 191271), (162, 127514), (206, 100278), (309, 66852), (324, 63757), (412, 50139), (618, 33426), (619, 33372), (927, 22284), (1236, 16713), (1238, 16686), (1854, 11142), (1857, 11124), (2476, 8343), (2781, 7428), (3708, 5571), (3714, 5562)]