20308178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 34776000

約数和(自身を除く): 14467822

約数列:

[1, 2, 11, 22, 29, 58, 139, 229, 278, 319, 458, 638, 1529, 2519, 3058, 4031, 5038, 6641, 8062, 13282, 31831, 44341, 63662, 73051, 88682, 146102, 350141, 700282, 923099, 1846198, 10154089, 20308178]

約数ペア:

[(1, 20308178), (2, 10154089), (11, 1846198), (22, 923099), (29, 700282), (58, 350141), (139, 146102), (229, 88682), (278, 73051), (319, 63662), (458, 44341), (638, 31831), (1529, 13282), (2519, 8062), (3058, 6641), (4031, 5038)]