20187046215

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9155123}}^1$

素因数の和:9155148

約数の個数: 36

約数和(自身を含む): 40703681304

約数和(自身を除く): 20516635089

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9155123, 27465369, 45775615, 64085861, 82396107, 137326845, 192257583, 320429305, 411980535, 448601027, 576772749, 961287915, 1345803081, 2243005135, 2883863745, 4037409243, 6729015405, 20187046215]

約数ペア:

[(1, 20187046215), (3, 6729015405), (5, 4037409243), (7, 2883863745), (9, 2243005135), (15, 1345803081), (21, 961287915), (35, 576772749), (45, 448601027), (49, 411980535), (63, 320429305), (105, 192257583), (147, 137326845), (245, 82396107), (315, 64085861), (441, 45775615), (735, 27465369), (2205, 9155123)]