20022695

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 30260736

約数和(自身を除く): 10238041

約数列:

[1, 5, 7, 11, 35, 55, 77, 131, 385, 397, 655, 917, 1441, 1985, 2779, 4367, 4585, 7205, 10087, 13895, 21835, 30569, 50435, 52007, 152845, 260035, 364049, 572077, 1820245, 2860385, 4004539, 20022695]

約数ペア:

[(1, 20022695), (5, 4004539), (7, 2860385), (11, 1820245), (35, 572077), (55, 364049), (77, 260035), (131, 152845), (385, 52007), (397, 50435), (655, 30569), (917, 21835), (1441, 13895), (1985, 10087), (2779, 7205), (4367, 4585)]