20038695

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 33005568

約数和(自身を除く): 12966873

約数列:

[1, 3, 5, 15, 67, 127, 157, 201, 335, 381, 471, 635, 785, 1005, 1905, 2355, 8509, 10519, 19939, 25527, 31557, 42545, 52595, 59817, 99695, 127635, 157785, 299085, 1335913, 4007739, 6679565, 20038695]

約数ペア:

[(1, 20038695), (3, 6679565), (5, 4007739), (15, 1335913), (67, 299085), (127, 157785), (157, 127635), (201, 99695), (335, 59817), (381, 52595), (471, 42545), (635, 31557), (785, 25527), (1005, 19939), (1905, 10519), (2355, 8509)]