20194687875

素因数分解:

$3^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{683}}^1\times {\mathrm{2131}}^1$

素因数の和:2869

約数の個数: 64

約数和(自身を含む): 34578925056

約数和(自身を除く): 14384237181

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 125, 185, 375, 555, 683, 925, 2049, 2131, 2775, 3415, 4625, 6393, 10245, 10655, 13875, 17075, 25271, 31965, 51225, 53275, 75813, 78847, 85375, 126355, 159825, 236541, 256125, 266375, 379065, 394235, 631775, 799125, 1182705, 1455473, 1895325, 1971175, 3158875, 4366419, 5913525, 7277365, 9476625, 9855875, 21832095, 29567625, 36386825, 53852501, 109160475, 161557503, 181934125, 269262505, 545802375, 807787515, 1346312525, 4038937575, 6731562625, 20194687875]

約数ペア:

[(1, 20194687875), (3, 6731562625), (5, 4038937575), (15, 1346312525), (25, 807787515), (37, 545802375), (75, 269262505), (111, 181934125), (125, 161557503), (185, 109160475), (375, 53852501), (555, 36386825), (683, 29567625), (925, 21832095), (2049, 9855875), (2131, 9476625), (2775, 7277365), (3415, 5913525), (4625, 4366419), (6393, 3158875), (10245, 1971175), (10655, 1895325), (13875, 1455473), (17075, 1182705), (25271, 799125), (31965, 631775), (51225, 394235), (53275, 379065), (75813, 266375), (78847, 256125), (85375, 236541), (126355, 159825)]