20157631942

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{387781}}^1$

素因数の和:387916

約数の個数: 32

約数和(自身を含む): 35737989120

約数和(自身を除く): 15580357178

約数列:

[1, 2, 7, 14, 47, 79, 94, 158, 329, 553, 658, 1106, 3713, 7426, 25991, 51982, 387781, 775562, 2714467, 5428934, 18225707, 30634699, 36451414, 61269398, 127579949, 214442893, 255159898, 428885786, 1439830853, 2879661706, 10078815971, 20157631942]

約数ペア:

[(1, 20157631942), (2, 10078815971), (7, 2879661706), (14, 1439830853), (47, 428885786), (79, 255159898), (94, 214442893), (158, 127579949), (329, 61269398), (553, 36451414), (658, 30634699), (1106, 18225707), (3713, 5428934), (7426, 2714467), (25991, 775562), (51982, 387781)]