20676690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7411}}^1$

素因数の和:7455

約数の個数: 48

約数和(自身を含む): 55501056

約数和(自身を除く): 34824366

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, 7411, 14822, 22233, 37055, 44466, 66699, 74110, 111165, 133398, 222330, 229741, 333495, 459482, 666990, 689223, 1148705, 1378446, 2067669, 2297410, 3446115, 4135338, 6892230, 10338345, 20676690]

約数ペア:

[(1, 20676690), (2, 10338345), (3, 6892230), (5, 4135338), (6, 3446115), (9, 2297410), (10, 2067669), (15, 1378446), (18, 1148705), (30, 689223), (31, 666990), (45, 459482), (62, 333495), (90, 229741), (93, 222330), (155, 133398), (186, 111165), (279, 74110), (310, 66699), (465, 44466), (558, 37055), (930, 22233), (1395, 14822), (2790, 7411)]