20123258115

素因数分解:

$3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1453}}^1\times {\mathrm{3407}}^1$

素因数の和:5139

約数の個数: 32

約数和(自身を含む): 32347754496

約数和(自身を除く): 12224496381

約数列:

[1, 3, 5, 15, 271, 813, 1355, 1453, 3407, 4065, 4359, 7265, 10221, 17035, 21795, 51105, 393763, 923297, 1181289, 1968815, 2769891, 4616485, 4950371, 5906445, 13849455, 14851113, 24751855, 74255565, 1341550541, 4024651623, 6707752705, 20123258115]

約数ペア:

[(1, 20123258115), (3, 6707752705), (5, 4024651623), (15, 1341550541), (271, 74255565), (813, 24751855), (1355, 14851113), (1453, 13849455), (3407, 5906445), (4065, 4950371), (4359, 4616485), (7265, 2769891), (10221, 1968815), (17035, 1181289), (21795, 923297), (51105, 393763)]