20874896

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6427}}^1$

素因数の和:6471

約数の個数: 40

約数和(自身を含む): 47824320

約数和(自身を除く): 26949424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 6427, 12854, 25708, 44989, 51416, 89978, 102832, 179956, 186383, 359912, 372766, 719824, 745532, 1304681, 1491064, 2609362, 2982128, 5218724, 10437448, 20874896]

約数ペア:

[(1, 20874896), (2, 10437448), (4, 5218724), (7, 2982128), (8, 2609362), (14, 1491064), (16, 1304681), (28, 745532), (29, 719824), (56, 372766), (58, 359912), (112, 186383), (116, 179956), (203, 102832), (232, 89978), (406, 51416), (464, 44989), (812, 25708), (1624, 12854), (3248, 6427)]