20120899145

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{997813}}^1$

素因数の和:997964

約数の個数: 16

約数和(自身を含む): 25025175120

約数和(自身を除く): 4904275975

約数列:

[1, 5, 37, 109, 185, 545, 4033, 20165, 997813, 4989065, 36919081, 108761617, 184595405, 543808085, 4024179829, 20120899145]

約数ペア:

[(1, 20120899145), (5, 4024179829), (37, 543808085), (109, 184595405), (185, 108761617), (545, 36919081), (4033, 4989065), (20165, 997813)]