20672172416

素因数分解:

$2^7\times 7^1\times {\mathrm{157}}^1\times {\mathrm{146953}}^1$

素因数の和:147131

約数の個数: 64

約数和(自身を含む): 47366213280

約数和(自身を除く): 26694040864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 157, 224, 314, 448, 628, 896, 1099, 1256, 2198, 2512, 4396, 5024, 8792, 10048, 17584, 20096, 35168, 70336, 140672, 146953, 293906, 587812, 1028671, 1175624, 2057342, 2351248, 4114684, 4702496, 8229368, 9404992, 16458736, 18809984, 23071621, 32917472, 46143242, 65834944, 92286484, 131669888, 161501347, 184572968, 323002694, 369145936, 646005388, 738291872, 1292010776, 1476583744, 2584021552, 2953167488, 5168043104, 10336086208, 20672172416]

約数ペア:

[(1, 20672172416), (2, 10336086208), (4, 5168043104), (7, 2953167488), (8, 2584021552), (14, 1476583744), (16, 1292010776), (28, 738291872), (32, 646005388), (56, 369145936), (64, 323002694), (112, 184572968), (128, 161501347), (157, 131669888), (224, 92286484), (314, 65834944), (448, 46143242), (628, 32917472), (896, 23071621), (1099, 18809984), (1256, 16458736), (2198, 9404992), (2512, 8229368), (4396, 4702496), (5024, 4114684), (8792, 2351248), (10048, 2057342), (17584, 1175624), (20096, 1028671), (35168, 587812), (70336, 293906), (140672, 146953)]