20005416

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{8963}}^1$

素因数の和:9006

約数の個数: 48

約数和(自身を含む): 55935360

約数和(自身を除く): 35929944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 8963, 17926, 26889, 35852, 53778, 71704, 80667, 107556, 161334, 215112, 277853, 322668, 555706, 645336, 833559, 1111412, 1667118, 2222824, 2500677, 3334236, 5001354, 6668472, 10002708, 20005416]

約数ペア:

[(1, 20005416), (2, 10002708), (3, 6668472), (4, 5001354), (6, 3334236), (8, 2500677), (9, 2222824), (12, 1667118), (18, 1111412), (24, 833559), (31, 645336), (36, 555706), (62, 322668), (72, 277853), (93, 215112), (124, 161334), (186, 107556), (248, 80667), (279, 71704), (372, 53778), (558, 35852), (744, 26889), (1116, 17926), (2232, 8963)]