20697444

素因数分解:

$2^2\times 3^4\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:646

約数の個数: 60

約数和(自身を含む): 54641664

約数和(自身を除く): 33944220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 127, 162, 254, 324, 381, 503, 508, 762, 1006, 1143, 1509, 1524, 2012, 2286, 3018, 3429, 4527, 4572, 6036, 6858, 9054, 10287, 13581, 13716, 18108, 20574, 27162, 40743, 41148, 54324, 63881, 81486, 127762, 162972, 191643, 255524, 383286, 574929, 766572, 1149858, 1724787, 2299716, 3449574, 5174361, 6899148, 10348722, 20697444]

約数ペア:

[(1, 20697444), (2, 10348722), (3, 6899148), (4, 5174361), (6, 3449574), (9, 2299716), (12, 1724787), (18, 1149858), (27, 766572), (36, 574929), (54, 383286), (81, 255524), (108, 191643), (127, 162972), (162, 127762), (254, 81486), (324, 63881), (381, 54324), (503, 41148), (508, 40743), (762, 27162), (1006, 20574), (1143, 18108), (1509, 13716), (1524, 13581), (2012, 10287), (2286, 9054), (3018, 6858), (3429, 6036), (4527, 4572)]