20953138

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 13520462

約数列:

[1, 2, 23, 29, 46, 58, 113, 139, 226, 278, 667, 1334, 2599, 3197, 3277, 4031, 5198, 6394, 6554, 8062, 15707, 31414, 75371, 92713, 150742, 185426, 361261, 455503, 722522, 911006, 10476569, 20953138]

約数ペア:

[(1, 20953138), (2, 10476569), (23, 911006), (29, 722522), (46, 455503), (58, 361261), (113, 185426), (139, 150742), (226, 92713), (278, 75371), (667, 31414), (1334, 15707), (2599, 8062), (3197, 6554), (3277, 6394), (4031, 5198)]