20720010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30029}}^1$

素因数の和:30062

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 31171830

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 30029, 60058, 90087, 150145, 180174, 300290, 450435, 690667, 900870, 1381334, 2072001, 3453335, 4144002, 6906670, 10360005, 20720010]

約数ペア:

[(1, 20720010), (2, 10360005), (3, 6906670), (5, 4144002), (6, 3453335), (10, 2072001), (15, 1381334), (23, 900870), (30, 690667), (46, 450435), (69, 300290), (115, 180174), (138, 150145), (230, 90087), (345, 60058), (690, 30029)]