20329740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2131}}^1$

素因数の和:2199

約数の個数: 72

約数和(自身を含む): 62859888

約数和(自身を除く): 42530148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2131, 2385, 3180, 4262, 4770, 6393, 8524, 9540, 10655, 12786, 19179, 21310, 25572, 31965, 38358, 42620, 63930, 76716, 95895, 112943, 127860, 191790, 225886, 338829, 383580, 451772, 564715, 677658, 1016487, 1129430, 1355316, 1694145, 2032974, 2258860, 3388290, 4065948, 5082435, 6776580, 10164870, 20329740]

約数ペア:

[(1, 20329740), (2, 10164870), (3, 6776580), (4, 5082435), (5, 4065948), (6, 3388290), (9, 2258860), (10, 2032974), (12, 1694145), (15, 1355316), (18, 1129430), (20, 1016487), (30, 677658), (36, 564715), (45, 451772), (53, 383580), (60, 338829), (90, 225886), (106, 191790), (159, 127860), (180, 112943), (212, 95895), (265, 76716), (318, 63930), (477, 42620), (530, 38358), (636, 31965), (795, 25572), (954, 21310), (1060, 19179), (1590, 12786), (1908, 10655), (2131, 9540), (2385, 8524), (3180, 6393), (4262, 4770)]