20477430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 72

約数和(自身を含む): 54926352

約数和(自身を除く): 34448922

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 103, 141, 206, 235, 282, 309, 423, 470, 515, 618, 705, 846, 927, 1030, 1410, 1545, 1854, 2115, 2209, 3090, 4230, 4418, 4635, 4841, 6627, 9270, 9682, 11045, 13254, 14523, 19881, 22090, 24205, 29046, 33135, 39762, 43569, 48410, 66270, 72615, 87138, 99405, 145230, 198810, 217845, 227527, 435690, 455054, 682581, 1137635, 1365162, 2047743, 2275270, 3412905, 4095486, 6825810, 10238715, 20477430]

約数ペア:

[(1, 20477430), (2, 10238715), (3, 6825810), (5, 4095486), (6, 3412905), (9, 2275270), (10, 2047743), (15, 1365162), (18, 1137635), (30, 682581), (45, 455054), (47, 435690), (90, 227527), (94, 217845), (103, 198810), (141, 145230), (206, 99405), (235, 87138), (282, 72615), (309, 66270), (423, 48410), (470, 43569), (515, 39762), (618, 33135), (705, 29046), (846, 24205), (927, 22090), (1030, 19881), (1410, 14523), (1545, 13254), (1854, 11045), (2115, 9682), (2209, 9270), (3090, 6627), (4230, 4841), (4418, 4635)]