20173968668

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{314491}}^1$

素因数の和:314610

約数の個数: 48

約数和(自身を含む): 42267724800

約数和(自身を除く): 22093756132

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 79, 116, 158, 203, 316, 406, 553, 812, 1106, 2212, 2291, 4582, 9164, 16037, 32074, 64148, 314491, 628982, 1257964, 2201437, 4402874, 8805748, 9120239, 18240478, 24844789, 36480956, 49689578, 63841673, 99379156, 127683346, 173913523, 255366692, 347827046, 695654092, 720498881, 1440997762, 2881995524, 5043492167, 10086984334, 20173968668]

約数ペア:

[(1, 20173968668), (2, 10086984334), (4, 5043492167), (7, 2881995524), (14, 1440997762), (28, 720498881), (29, 695654092), (58, 347827046), (79, 255366692), (116, 173913523), (158, 127683346), (203, 99379156), (316, 63841673), (406, 49689578), (553, 36480956), (812, 24844789), (1106, 18240478), (2212, 9120239), (2291, 8805748), (4582, 4402874), (9164, 2201437), (16037, 1257964), (32074, 628982), (64148, 314491)]