20579370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 58879872

約数和(自身を除く): 38300502

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 53, 70, 86, 105, 106, 129, 159, 210, 215, 258, 265, 301, 318, 371, 430, 530, 602, 645, 742, 795, 903, 1113, 1290, 1505, 1590, 1806, 1849, 1855, 2226, 2279, 3010, 3698, 3710, 4515, 4558, 5547, 5565, 6837, 9030, 9245, 11094, 11130, 11395, 12943, 13674, 15953, 18490, 22790, 25886, 27735, 31906, 34185, 38829, 47859, 55470, 64715, 68370, 77658, 79765, 95718, 97997, 129430, 159530, 194145, 195994, 239295, 293991, 388290, 478590, 489985, 587982, 685979, 979970, 1371958, 1469955, 2057937, 2939910, 3429895, 4115874, 6859790, 10289685, 20579370]

約数ペア:

[(1, 20579370), (2, 10289685), (3, 6859790), (5, 4115874), (6, 3429895), (7, 2939910), (10, 2057937), (14, 1469955), (15, 1371958), (21, 979970), (30, 685979), (35, 587982), (42, 489985), (43, 478590), (53, 388290), (70, 293991), (86, 239295), (105, 195994), (106, 194145), (129, 159530), (159, 129430), (210, 97997), (215, 95718), (258, 79765), (265, 77658), (301, 68370), (318, 64715), (371, 55470), (430, 47859), (530, 38829), (602, 34185), (645, 31906), (742, 27735), (795, 25886), (903, 22790), (1113, 18490), (1290, 15953), (1505, 13674), (1590, 12943), (1806, 11395), (1849, 11130), (1855, 11094), (2226, 9245), (2279, 9030), (3010, 6837), (3698, 5565), (3710, 5547), (4515, 4558)]