20040221528

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{37388473}}^1$

素因数の和:37388546

約数の個数: 16

約数和(自身を含む): 38136243480

約数和(自身を除く): 18096021952

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 37388473, 74776946, 149553892, 299107784, 2505027691, 5010055382, 10020110764, 20040221528]

約数ペア:

[(1, 20040221528), (2, 10020110764), (4, 5010055382), (8, 2505027691), (67, 299107784), (134, 149553892), (268, 74776946), (536, 37388473)]