20490045

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{36919}}^1$

素因数の和:36964

約数の個数: 16

約数和(自身を含む): 33671040

約数和(自身を除く): 13180995

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 36919, 110757, 184595, 553785, 1366003, 4098009, 6830015, 20490045]

約数ペア:

[(1, 20490045), (3, 6830015), (5, 4098009), (15, 1366003), (37, 553785), (111, 184595), (185, 110757), (555, 36919)]