20902536

素因数分解:

$2^3\times 3^4\times {\mathrm{32257}}^1$

素因数の和:32275

約数の個数: 40

約数和(自身を含む): 58548270

約数和(自身を除く): 37645734

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 32257, 64514, 96771, 129028, 193542, 258056, 290313, 387084, 580626, 774168, 870939, 1161252, 1741878, 2322504, 2612817, 3483756, 5225634, 6967512, 10451268, 20902536]

約数ペア:

[(1, 20902536), (2, 10451268), (3, 6967512), (4, 5225634), (6, 3483756), (8, 2612817), (9, 2322504), (12, 1741878), (18, 1161252), (24, 870939), (27, 774168), (36, 580626), (54, 387084), (72, 290313), (81, 258056), (108, 193542), (162, 129028), (216, 96771), (324, 64514), (648, 32257)]