20987330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23063}}^1$

素因数の和:23090

約数の個数: 32

約数和(自身を含む): 46497024

約数和(自身を除く): 25509694

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23063, 46126, 115315, 161441, 230630, 299819, 322882, 599638, 807205, 1499095, 1614410, 2098733, 2998190, 4197466, 10493665, 20987330]

約数ペア:

[(1, 20987330), (2, 10493665), (5, 4197466), (7, 2998190), (10, 2098733), (13, 1614410), (14, 1499095), (26, 807205), (35, 599638), (65, 322882), (70, 299819), (91, 230630), (130, 161441), (182, 115315), (455, 46126), (910, 23063)]