20131991056

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{375709}}^1$

素因数の和:375931

約数の個数: 40

約数和(自身を含む): 41509943640

約数和(自身を除く): 21377952584

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 197, 272, 394, 788, 1576, 3152, 3349, 6698, 13396, 26792, 53584, 375709, 751418, 1502836, 3005672, 6011344, 6387053, 12774106, 25548212, 51096424, 74014673, 102192848, 148029346, 296058692, 592117384, 1184234768, 1258249441, 2516498882, 5032997764, 10065995528, 20131991056]

約数ペア:

[(1, 20131991056), (2, 10065995528), (4, 5032997764), (8, 2516498882), (16, 1258249441), (17, 1184234768), (34, 592117384), (68, 296058692), (136, 148029346), (197, 102192848), (272, 74014673), (394, 51096424), (788, 25548212), (1576, 12774106), (3152, 6387053), (3349, 6011344), (6698, 3005672), (13396, 1502836), (26792, 751418), (53584, 375709)]