20687012244

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{102013}}^1$

素因数の和:102197

約数の個数: 72

約数和(自身を含む): 53917255392

約数和(自身を除く): 33230243148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 131, 172, 258, 262, 387, 393, 516, 524, 774, 786, 1179, 1548, 1572, 2358, 4716, 5633, 11266, 16899, 22532, 33798, 50697, 67596, 101394, 102013, 202788, 204026, 306039, 408052, 612078, 918117, 1224156, 1836234, 3672468, 4386559, 8773118, 13159677, 13363703, 17546236, 26319354, 26727406, 39479031, 40091109, 52638708, 53454812, 78958062, 80182218, 120273327, 157916124, 160364436, 240546654, 481093308, 574639229, 1149278458, 1723917687, 2298556916, 3447835374, 5171753061, 6895670748, 10343506122, 20687012244]

約数ペア:

[(1, 20687012244), (2, 10343506122), (3, 6895670748), (4, 5171753061), (6, 3447835374), (9, 2298556916), (12, 1723917687), (18, 1149278458), (36, 574639229), (43, 481093308), (86, 240546654), (129, 160364436), (131, 157916124), (172, 120273327), (258, 80182218), (262, 78958062), (387, 53454812), (393, 52638708), (516, 40091109), (524, 39479031), (774, 26727406), (786, 26319354), (1179, 17546236), (1548, 13363703), (1572, 13159677), (2358, 8773118), (4716, 4386559), (5633, 3672468), (11266, 1836234), (16899, 1224156), (22532, 918117), (33798, 612078), (50697, 408052), (67596, 306039), (101394, 204026), (102013, 202788)]