20681838

素因数分解:

$2^1\times 3^3\times {\mathrm{449}}^1\times {\mathrm{853}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 46116000

約数和(自身を除く): 25434162

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 449, 853, 898, 1347, 1706, 2559, 2694, 4041, 5118, 7677, 8082, 12123, 15354, 23031, 24246, 46062, 382997, 765994, 1148991, 2297982, 3446973, 6893946, 10340919, 20681838]

約数ペア:

[(1, 20681838), (2, 10340919), (3, 6893946), (6, 3446973), (9, 2297982), (18, 1148991), (27, 765994), (54, 382997), (449, 46062), (853, 24246), (898, 23031), (1347, 15354), (1706, 12123), (2559, 8082), (2694, 7677), (4041, 5118)]