2019660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 5800032

約数和(自身を除く): 3780372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 821, 1230, 1642, 2460, 2463, 3284, 4105, 4926, 8210, 9852, 12315, 16420, 24630, 33661, 49260, 67322, 100983, 134644, 168305, 201966, 336610, 403932, 504915, 673220, 1009830, 2019660]

約数ペア:

[(1, 2019660), (2, 1009830), (3, 673220), (4, 504915), (5, 403932), (6, 336610), (10, 201966), (12, 168305), (15, 134644), (20, 100983), (30, 67322), (41, 49260), (60, 33661), (82, 24630), (123, 16420), (164, 12315), (205, 9852), (246, 8210), (410, 4926), (492, 4105), (615, 3284), (820, 2463), (821, 2460), (1230, 1642)]