20198965240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1559}}^1\times {\mathrm{14083}}^1$

素因数の和:15676

約数の個数: 64

約数和(自身を含む): 47457446400

約数和(自身を除く): 27258481160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1559, 3118, 6236, 7795, 12472, 14083, 15590, 28166, 31180, 35857, 56332, 62360, 70415, 71714, 112664, 140830, 143428, 179285, 281660, 286856, 323909, 358570, 563320, 647818, 717140, 1295636, 1434280, 1619545, 2591272, 3239090, 6478180, 12956360, 21955397, 43910794, 87821588, 109776985, 175643176, 219553970, 439107940, 504974131, 878215880, 1009948262, 2019896524, 2524870655, 4039793048, 5049741310, 10099482620, 20198965240]

約数ペア:

[(1, 20198965240), (2, 10099482620), (4, 5049741310), (5, 4039793048), (8, 2524870655), (10, 2019896524), (20, 1009948262), (23, 878215880), (40, 504974131), (46, 439107940), (92, 219553970), (115, 175643176), (184, 109776985), (230, 87821588), (460, 43910794), (920, 21955397), (1559, 12956360), (3118, 6478180), (6236, 3239090), (7795, 2591272), (12472, 1619545), (14083, 1434280), (15590, 1295636), (28166, 717140), (31180, 647818), (35857, 563320), (56332, 358570), (62360, 323909), (70415, 286856), (71714, 281660), (112664, 179285), (140830, 143428)]