20810610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7459}}^1$

素因数の和:7503

約数の個数: 48

約数和(自身を含む): 55860480

約数和(自身を除く): 35049870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7459, 14918, 22377, 37295, 44754, 67131, 74590, 111885, 134262, 223770, 231229, 335655, 462458, 671310, 693687, 1156145, 1387374, 2081061, 2312290, 3468435, 4162122, 6936870, 10405305, 20810610]

約数ペア:

[(1, 20810610), (2, 10405305), (3, 6936870), (5, 4162122), (6, 3468435), (9, 2312290), (10, 2081061), (15, 1387374), (18, 1156145), (30, 693687), (31, 671310), (45, 462458), (62, 335655), (90, 231229), (93, 223770), (155, 134262), (186, 111885), (279, 74590), (310, 67131), (465, 44754), (558, 37295), (930, 22377), (1395, 14918), (2790, 7459)]