20937090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:567

約数の個数: 64

約数和(自身を含む): 53084160

約数和(自身を除く): 32147070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 47, 62, 93, 94, 141, 155, 186, 235, 282, 310, 465, 470, 479, 705, 930, 958, 1410, 1437, 1457, 2395, 2874, 2914, 4371, 4790, 7185, 7285, 8742, 14370, 14570, 14849, 21855, 22513, 29698, 43710, 44547, 45026, 67539, 74245, 89094, 112565, 135078, 148490, 222735, 225130, 337695, 445470, 675390, 697903, 1395806, 2093709, 3489515, 4187418, 6979030, 10468545, 20937090]

約数ペア:

[(1, 20937090), (2, 10468545), (3, 6979030), (5, 4187418), (6, 3489515), (10, 2093709), (15, 1395806), (30, 697903), (31, 675390), (47, 445470), (62, 337695), (93, 225130), (94, 222735), (141, 148490), (155, 135078), (186, 112565), (235, 89094), (282, 74245), (310, 67539), (465, 45026), (470, 44547), (479, 43710), (705, 29698), (930, 22513), (958, 21855), (1410, 14849), (1437, 14570), (1457, 14370), (2395, 8742), (2874, 7285), (2914, 7185), (4371, 4790)]