20579640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{541}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 62048160

約数和(自身を除く): 41468520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 317, 541, 634, 951, 1082, 1268, 1585, 1623, 1902, 2164, 2536, 2705, 3170, 3246, 3804, 4328, 4755, 5410, 6340, 6492, 7608, 8115, 9510, 10820, 12680, 12984, 16230, 19020, 21640, 32460, 38040, 64920, 171497, 342994, 514491, 685988, 857485, 1028982, 1371976, 1714970, 2057964, 2572455, 3429940, 4115928, 5144910, 6859880, 10289820, 20579640]

約数ペア:

[(1, 20579640), (2, 10289820), (3, 6859880), (4, 5144910), (5, 4115928), (6, 3429940), (8, 2572455), (10, 2057964), (12, 1714970), (15, 1371976), (20, 1028982), (24, 857485), (30, 685988), (40, 514491), (60, 342994), (120, 171497), (317, 64920), (541, 38040), (634, 32460), (951, 21640), (1082, 19020), (1268, 16230), (1585, 12984), (1623, 12680), (1902, 10820), (2164, 9510), (2536, 8115), (2705, 7608), (3170, 6492), (3246, 6340), (3804, 5410), (4328, 4755)]