20374260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 59875200

約数和(自身を除く): 39500940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 53, 60, 86, 106, 129, 149, 159, 172, 212, 215, 258, 265, 298, 318, 430, 447, 516, 530, 596, 636, 645, 745, 795, 860, 894, 1060, 1290, 1490, 1590, 1788, 2235, 2279, 2580, 2980, 3180, 4470, 4558, 6407, 6837, 7897, 8940, 9116, 11395, 12814, 13674, 15794, 19221, 22790, 23691, 25628, 27348, 31588, 32035, 34185, 38442, 39485, 45580, 47382, 64070, 68370, 76884, 78970, 94764, 96105, 118455, 128140, 136740, 157940, 192210, 236910, 339571, 384420, 473820, 679142, 1018713, 1358284, 1697855, 2037426, 3395710, 4074852, 5093565, 6791420, 10187130, 20374260]

約数ペア:

[(1, 20374260), (2, 10187130), (3, 6791420), (4, 5093565), (5, 4074852), (6, 3395710), (10, 2037426), (12, 1697855), (15, 1358284), (20, 1018713), (30, 679142), (43, 473820), (53, 384420), (60, 339571), (86, 236910), (106, 192210), (129, 157940), (149, 136740), (159, 128140), (172, 118455), (212, 96105), (215, 94764), (258, 78970), (265, 76884), (298, 68370), (318, 64070), (430, 47382), (447, 45580), (516, 39485), (530, 38442), (596, 34185), (636, 32035), (645, 31588), (745, 27348), (795, 25628), (860, 23691), (894, 22790), (1060, 19221), (1290, 15794), (1490, 13674), (1590, 12814), (1788, 11395), (2235, 9116), (2279, 8940), (2580, 7897), (2980, 6837), (3180, 6407), (4470, 4558)]