204783420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{20939}}^1$

素因数の和:21114

約数の個数: 48

約数和(自身を含む): 576938880

約数和(自身を除く): 372155460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 3260, 4890, 9780, 20939, 41878, 62817, 83756, 104695, 125634, 209390, 251268, 314085, 418780, 628170, 1256340, 3413057, 6826114, 10239171, 13652228, 17065285, 20478342, 34130570, 40956684, 51195855, 68261140, 102391710, 204783420]

約数ペア:

[(1, 204783420), (2, 102391710), (3, 68261140), (4, 51195855), (5, 40956684), (6, 34130570), (10, 20478342), (12, 17065285), (15, 13652228), (20, 10239171), (30, 6826114), (60, 3413057), (163, 1256340), (326, 628170), (489, 418780), (652, 314085), (815, 251268), (978, 209390), (1630, 125634), (1956, 104695), (2445, 83756), (3260, 62817), (4890, 41878), (9780, 20939)]