20148295

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3023}}^1$

素因数の和:3102

約数の個数: 16

約数和(自身を含む): 25546752

約数和(自身を除く): 5398457

約数列:

[1, 5, 31, 43, 155, 215, 1333, 3023, 6665, 15115, 93713, 129989, 468565, 649945, 4029659, 20148295]

約数ペア:

[(1, 20148295), (5, 4029659), (31, 649945), (43, 468565), (155, 129989), (215, 93713), (1333, 15115), (3023, 6665)]