20456310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3359}}^1$

素因数の和:3405

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 37604490

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, 3359, 6090, 6718, 10077, 16795, 20154, 23513, 33590, 47026, 50385, 70539, 97411, 100770, 117565, 141078, 194822, 235130, 292233, 352695, 487055, 584466, 681877, 705390, 974110, 1363754, 1461165, 2045631, 2922330, 3409385, 4091262, 6818770, 10228155, 20456310]

約数ペア:

[(1, 20456310), (2, 10228155), (3, 6818770), (5, 4091262), (6, 3409385), (7, 2922330), (10, 2045631), (14, 1461165), (15, 1363754), (21, 974110), (29, 705390), (30, 681877), (35, 584466), (42, 487055), (58, 352695), (70, 292233), (87, 235130), (105, 194822), (145, 141078), (174, 117565), (203, 100770), (210, 97411), (290, 70539), (406, 50385), (435, 47026), (609, 33590), (870, 23513), (1015, 20154), (1218, 16795), (2030, 10077), (3045, 6718), (3359, 6090)]