20185778872

素因数分解:

$2^3\times 7^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1\times {\mathrm{5651}}^1$

素因数の和:6172

約数の個数: 64

約数和(自身を含む): 43608119040

約数和(自身を除く): 23422340168

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 227, 281, 454, 562, 908, 1124, 1589, 1816, 1967, 2248, 3178, 3934, 5651, 6356, 7868, 11302, 12712, 15736, 22604, 39557, 45208, 63787, 79114, 127574, 158228, 255148, 316456, 446509, 510296, 893018, 1282777, 1587931, 1786036, 2565554, 3175862, 3572072, 5131108, 6351724, 8979439, 10262216, 11115517, 12703448, 17958878, 22231034, 35917756, 44462068, 71835512, 88924136, 360460337, 720920674, 1441841348, 2523222359, 2883682696, 5046444718, 10092889436, 20185778872]

約数ペア:

[(1, 20185778872), (2, 10092889436), (4, 5046444718), (7, 2883682696), (8, 2523222359), (14, 1441841348), (28, 720920674), (56, 360460337), (227, 88924136), (281, 71835512), (454, 44462068), (562, 35917756), (908, 22231034), (1124, 17958878), (1589, 12703448), (1816, 11115517), (1967, 10262216), (2248, 8979439), (3178, 6351724), (3934, 5131108), (5651, 3572072), (6356, 3175862), (7868, 2565554), (11302, 1786036), (12712, 1587931), (15736, 1282777), (22604, 893018), (39557, 510296), (45208, 446509), (63787, 316456), (79114, 255148), (127574, 158228)]