20645766

素因数分解:

$2^1\times 3^5\times {\mathrm{23}}^1\times {\mathrm{1847}}^1$

素因数の和:1887

約数の個数: 48

約数和(自身を含む): 48432384

約数和(自身を除く): 27786618

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 414, 486, 621, 1242, 1847, 1863, 3694, 3726, 5541, 5589, 11082, 11178, 16623, 33246, 42481, 49869, 84962, 99738, 127443, 149607, 254886, 299214, 382329, 448821, 764658, 897642, 1146987, 2293974, 3440961, 6881922, 10322883, 20645766]

約数ペア:

[(1, 20645766), (2, 10322883), (3, 6881922), (6, 3440961), (9, 2293974), (18, 1146987), (23, 897642), (27, 764658), (46, 448821), (54, 382329), (69, 299214), (81, 254886), (138, 149607), (162, 127443), (207, 99738), (243, 84962), (414, 49869), (486, 42481), (621, 33246), (1242, 16623), (1847, 11178), (1863, 11082), (3694, 5589), (3726, 5541)]