20129974516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1\times {\mathrm{13241}}^1$

素因数の和:13624

約数の個数: 48

約数和(自身を含む): 37908138240

約数和(自身を除く): 17778163724

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 283, 316, 566, 1132, 1343, 2686, 4811, 5372, 9622, 13241, 19244, 22357, 26482, 44714, 52964, 89428, 225097, 380069, 450194, 760138, 900388, 1046039, 1520276, 2092078, 3747203, 4184156, 7494406, 14988812, 17782663, 35565326, 63702451, 71130652, 127404902, 254809804, 296029037, 592058074, 1184116148, 5032493629, 10064987258, 20129974516]

約数ペア:

[(1, 20129974516), (2, 10064987258), (4, 5032493629), (17, 1184116148), (34, 592058074), (68, 296029037), (79, 254809804), (158, 127404902), (283, 71130652), (316, 63702451), (566, 35565326), (1132, 17782663), (1343, 14988812), (2686, 7494406), (4811, 4184156), (5372, 3747203), (9622, 2092078), (13241, 1520276), (19244, 1046039), (22357, 900388), (26482, 760138), (44714, 450194), (52964, 380069), (89428, 225097)]