20529390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3371}}^1$

素因数の和:3417

約数の個数: 64

約数和(自身を含む): 58268160

約数和(自身を除く): 37738770

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 435, 609, 870, 1015, 1218, 2030, 3045, 3371, 6090, 6742, 10113, 16855, 20226, 23597, 33710, 47194, 50565, 70791, 97759, 101130, 117985, 141582, 195518, 235970, 293277, 353955, 488795, 586554, 684313, 707910, 977590, 1368626, 1466385, 2052939, 2932770, 3421565, 4105878, 6843130, 10264695, 20529390]

約数ペア:

[(1, 20529390), (2, 10264695), (3, 6843130), (5, 4105878), (6, 3421565), (7, 2932770), (10, 2052939), (14, 1466385), (15, 1368626), (21, 977590), (29, 707910), (30, 684313), (35, 586554), (42, 488795), (58, 353955), (70, 293277), (87, 235970), (105, 195518), (145, 141582), (174, 117985), (203, 101130), (210, 97759), (290, 70791), (406, 50565), (435, 47194), (609, 33710), (870, 23597), (1015, 20226), (1218, 16855), (2030, 10113), (3045, 6742), (3371, 6090)]