20779710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1867}}^1$

素因数の和:1937

約数の個数: 64

約数和(自身を含む): 58102272

約数和(自身を除く): 37322562

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 53, 70, 105, 106, 159, 210, 265, 318, 371, 530, 742, 795, 1113, 1590, 1855, 1867, 2226, 3710, 3734, 5565, 5601, 9335, 11130, 11202, 13069, 18670, 26138, 28005, 39207, 56010, 65345, 78414, 98951, 130690, 196035, 197902, 296853, 392070, 494755, 593706, 692657, 989510, 1385314, 1484265, 2077971, 2968530, 3463285, 4155942, 6926570, 10389855, 20779710]

約数ペア:

[(1, 20779710), (2, 10389855), (3, 6926570), (5, 4155942), (6, 3463285), (7, 2968530), (10, 2077971), (14, 1484265), (15, 1385314), (21, 989510), (30, 692657), (35, 593706), (42, 494755), (53, 392070), (70, 296853), (105, 197902), (106, 196035), (159, 130690), (210, 98951), (265, 78414), (318, 65345), (371, 56010), (530, 39207), (742, 28005), (795, 26138), (1113, 18670), (1590, 13069), (1855, 11202), (1867, 11130), (2226, 9335), (3710, 5601), (3734, 5565)]