20170782723

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{58967}}^1$

素因数の和:59176

約数の個数: 48

約数和(自身を含む): 33880654080

約数和(自身を除く): 13709871357

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 179, 273, 537, 637, 1253, 1911, 2327, 3759, 6981, 8771, 16289, 26313, 48867, 58967, 114023, 176901, 342069, 412769, 766571, 1238307, 2299713, 2889383, 5365997, 8668149, 10555093, 16097991, 31665279, 37561979, 73885651, 112685937, 137216209, 221656953, 411648627, 517199557, 960513463, 1551598671, 2881540389, 6723594241, 20170782723]

約数ペア:

[(1, 20170782723), (3, 6723594241), (7, 2881540389), (13, 1551598671), (21, 960513463), (39, 517199557), (49, 411648627), (91, 221656953), (147, 137216209), (179, 112685937), (273, 73885651), (537, 37561979), (637, 31665279), (1253, 16097991), (1911, 10555093), (2327, 8668149), (3759, 5365997), (6981, 2889383), (8771, 2299713), (16289, 1238307), (26313, 766571), (48867, 412769), (58967, 342069), (114023, 176901)]