20686212

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:642

約数の個数: 96

約数和(自身を含む): 59875200

約数和(自身を除く): 39188988

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 27, 34, 36, 38, 51, 54, 57, 68, 76, 102, 108, 114, 153, 171, 204, 228, 306, 323, 342, 459, 513, 593, 612, 646, 684, 918, 969, 1026, 1186, 1292, 1779, 1836, 1938, 2052, 2372, 2907, 3558, 3876, 5337, 5814, 7116, 8721, 10081, 10674, 11267, 11628, 16011, 17442, 20162, 21348, 22534, 30243, 32022, 33801, 34884, 40324, 45068, 60486, 64044, 67602, 90729, 101403, 120972, 135204, 181458, 191539, 202806, 272187, 304209, 362916, 383078, 405612, 544374, 574617, 608418, 766156, 1088748, 1149234, 1216836, 1723851, 2298468, 3447702, 5171553, 6895404, 10343106, 20686212]

約数ペア:

[(1, 20686212), (2, 10343106), (3, 6895404), (4, 5171553), (6, 3447702), (9, 2298468), (12, 1723851), (17, 1216836), (18, 1149234), (19, 1088748), (27, 766156), (34, 608418), (36, 574617), (38, 544374), (51, 405612), (54, 383078), (57, 362916), (68, 304209), (76, 272187), (102, 202806), (108, 191539), (114, 181458), (153, 135204), (171, 120972), (204, 101403), (228, 90729), (306, 67602), (323, 64044), (342, 60486), (459, 45068), (513, 40324), (593, 34884), (612, 33801), (646, 32022), (684, 30243), (918, 22534), (969, 21348), (1026, 20162), (1186, 17442), (1292, 16011), (1779, 11628), (1836, 11267), (1938, 10674), (2052, 10081), (2372, 8721), (2907, 7116), (3558, 5814), (3876, 5337)]