20050804904

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{872381}}^1$

素因数の和:872430

約数の個数: 48

約数和(自身を含む): 43104394620

約数和(自身を除く): 23053589716

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 169, 221, 338, 442, 676, 884, 1352, 1768, 2873, 5746, 11492, 22984, 872381, 1744762, 3489524, 6979048, 11340953, 14830477, 22681906, 29660954, 45363812, 59321908, 90727624, 118643816, 147432389, 192796201, 294864778, 385592402, 589729556, 771184804, 1179459112, 1542369608, 2506350613, 5012701226, 10025402452, 20050804904]

約数ペア:

[(1, 20050804904), (2, 10025402452), (4, 5012701226), (8, 2506350613), (13, 1542369608), (17, 1179459112), (26, 771184804), (34, 589729556), (52, 385592402), (68, 294864778), (104, 192796201), (136, 147432389), (169, 118643816), (221, 90727624), (338, 59321908), (442, 45363812), (676, 29660954), (884, 22681906), (1352, 14830477), (1768, 11340953), (2873, 6979048), (5746, 3489524), (11492, 1744762), (22984, 872381)]