20609664

素因数分解:

$2^7\times 3^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 55226880

約数和(自身を除く): 34617216

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 191, 192, 281, 382, 384, 562, 573, 764, 843, 1124, 1146, 1528, 1686, 2248, 2292, 3056, 3372, 4496, 4584, 6112, 6744, 8992, 9168, 12224, 13488, 17984, 18336, 24448, 26976, 35968, 36672, 53671, 53952, 73344, 107342, 107904, 161013, 214684, 322026, 429368, 644052, 858736, 1288104, 1717472, 2576208, 3434944, 5152416, 6869888, 10304832, 20609664]

約数ペア:

[(1, 20609664), (2, 10304832), (3, 6869888), (4, 5152416), (6, 3434944), (8, 2576208), (12, 1717472), (16, 1288104), (24, 858736), (32, 644052), (48, 429368), (64, 322026), (96, 214684), (128, 161013), (191, 107904), (192, 107342), (281, 73344), (382, 53952), (384, 53671), (562, 36672), (573, 35968), (764, 26976), (843, 24448), (1124, 18336), (1146, 17984), (1528, 13488), (1686, 12224), (2248, 9168), (2292, 8992), (3056, 6744), (3372, 6112), (4496, 4584)]