20123641430

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1489}}^1\times {\mathrm{1607}}^1$

素因数の和:3161

約数の個数: 48

約数和(自身を含む): 37563233760

約数和(自身を除く): 17439592330

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 841, 1489, 1607, 1682, 2978, 3214, 4205, 7445, 8035, 8410, 14890, 16070, 43181, 46603, 86362, 93206, 215905, 233015, 431810, 466030, 1252249, 1351487, 2392823, 2504498, 2702974, 4785646, 6261245, 6757435, 11964115, 12522490, 13514870, 23928230, 69391867, 138783734, 346959335, 693918670, 2012364143, 4024728286, 10061820715, 20123641430]

約数ペア:

[(1, 20123641430), (2, 10061820715), (5, 4024728286), (10, 2012364143), (29, 693918670), (58, 346959335), (145, 138783734), (290, 69391867), (841, 23928230), (1489, 13514870), (1607, 12522490), (1682, 11964115), (2978, 6757435), (3214, 6261245), (4205, 4785646), (7445, 2702974), (8035, 2504498), (8410, 2392823), (14890, 1351487), (16070, 1252249), (43181, 466030), (46603, 431810), (86362, 233015), (93206, 215905)]