20180579330

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{784321}}^1$

素因数の和:784442

約数の個数: 32

約数和(自身を含む): 37948635648

約数和(自身を除く): 17768056318

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 830, 2573, 5146, 12865, 25730, 784321, 1568642, 3921605, 7843210, 24313951, 48627902, 65098643, 121569755, 130197286, 243139510, 325493215, 650986430, 2018057933, 4036115866, 10090289665, 20180579330]

約数ペア:

[(1, 20180579330), (2, 10090289665), (5, 4036115866), (10, 2018057933), (31, 650986430), (62, 325493215), (83, 243139510), (155, 130197286), (166, 121569755), (310, 65098643), (415, 48627902), (830, 24313951), (2573, 7843210), (5146, 3921605), (12865, 1568642), (25730, 784321)]