20237238

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2633}}^1$

素因数の和:2709

約数の個数: 48

約数和(自身を含む): 50952096

約数和(自身を除く): 30714858

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 2633, 3843, 5266, 7686, 7899, 15798, 18431, 23697, 36862, 47394, 55293, 110586, 160613, 165879, 321226, 331758, 481839, 963678, 1124291, 1445517, 2248582, 2891034, 3372873, 6745746, 10118619, 20237238]

約数ペア:

[(1, 20237238), (2, 10118619), (3, 6745746), (6, 3372873), (7, 2891034), (9, 2248582), (14, 1445517), (18, 1124291), (21, 963678), (42, 481839), (61, 331758), (63, 321226), (122, 165879), (126, 160613), (183, 110586), (366, 55293), (427, 47394), (549, 36862), (854, 23697), (1098, 18431), (1281, 15798), (2562, 7899), (2633, 7686), (3843, 5266)]