20163108

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 55847232

約数和(自身を除く): 35684124

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 53, 84, 98, 106, 147, 159, 196, 212, 294, 318, 371, 588, 636, 647, 742, 1113, 1294, 1484, 1941, 2226, 2588, 2597, 3882, 4452, 4529, 5194, 7764, 7791, 9058, 10388, 13587, 15582, 18116, 27174, 31164, 31703, 34291, 54348, 63406, 68582, 95109, 102873, 126812, 137164, 190218, 205746, 240037, 380436, 411492, 480074, 720111, 960148, 1440222, 1680259, 2880444, 3360518, 5040777, 6721036, 10081554, 20163108]

約数ペア:

[(1, 20163108), (2, 10081554), (3, 6721036), (4, 5040777), (6, 3360518), (7, 2880444), (12, 1680259), (14, 1440222), (21, 960148), (28, 720111), (42, 480074), (49, 411492), (53, 380436), (84, 240037), (98, 205746), (106, 190218), (147, 137164), (159, 126812), (196, 102873), (212, 95109), (294, 68582), (318, 63406), (371, 54348), (588, 34291), (636, 31703), (647, 31164), (742, 27174), (1113, 18116), (1294, 15582), (1484, 13587), (1941, 10388), (2226, 9058), (2588, 7791), (2597, 7764), (3882, 5194), (4452, 4529)]