20138206856

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{99391}}^1$

素因数の和:99490

約数の個数: 64

約数和(自身を含む): 41983180800

約数和(自身を除く): 21844973944

約数列:

[1, 2, 4, 8, 19, 31, 38, 43, 62, 76, 86, 124, 152, 172, 248, 344, 589, 817, 1178, 1333, 1634, 2356, 2666, 3268, 4712, 5332, 6536, 10664, 25327, 50654, 99391, 101308, 198782, 202616, 397564, 795128, 1888429, 3081121, 3776858, 4273813, 6162242, 7553716, 8547626, 12324484, 15107432, 17095252, 24648968, 34190504, 58541299, 81202447, 117082598, 132488203, 162404894, 234165196, 264976406, 324809788, 468330392, 529952812, 649619576, 1059905624, 2517275857, 5034551714, 10069103428, 20138206856]

約数ペア:

[(1, 20138206856), (2, 10069103428), (4, 5034551714), (8, 2517275857), (19, 1059905624), (31, 649619576), (38, 529952812), (43, 468330392), (62, 324809788), (76, 264976406), (86, 234165196), (124, 162404894), (152, 132488203), (172, 117082598), (248, 81202447), (344, 58541299), (589, 34190504), (817, 24648968), (1178, 17095252), (1333, 15107432), (1634, 12324484), (2356, 8547626), (2666, 7553716), (3268, 6162242), (4712, 4273813), (5332, 3776858), (6536, 3081121), (10664, 1888429), (25327, 795128), (50654, 397564), (99391, 202616), (101308, 198782)]