20199078760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{155809}}^1$

素因数の和:156290

約数の個数: 64

約数和(自身を含む): 52053004800

約数和(自身を除く): 31853926040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 463, 926, 1852, 2315, 3241, 3704, 4630, 6482, 9260, 12964, 16205, 18520, 25928, 32410, 64820, 129640, 155809, 311618, 623236, 779045, 1090663, 1246472, 1558090, 2181326, 3116180, 4362652, 5453315, 6232360, 8725304, 10906630, 21813260, 43626520, 72139567, 144279134, 288558268, 360697835, 504976969, 577116536, 721395670, 1009953938, 1442791340, 2019907876, 2524884845, 2885582680, 4039815752, 5049769690, 10099539380, 20199078760]

約数ペア:

[(1, 20199078760), (2, 10099539380), (4, 5049769690), (5, 4039815752), (7, 2885582680), (8, 2524884845), (10, 2019907876), (14, 1442791340), (20, 1009953938), (28, 721395670), (35, 577116536), (40, 504976969), (56, 360697835), (70, 288558268), (140, 144279134), (280, 72139567), (463, 43626520), (926, 21813260), (1852, 10906630), (2315, 8725304), (3241, 6232360), (3704, 5453315), (4630, 4362652), (6482, 3116180), (9260, 2181326), (12964, 1558090), (16205, 1246472), (18520, 1090663), (25928, 779045), (32410, 623236), (64820, 311618), (129640, 155809)]