20123588744

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{112543}}^1$

素因数の和:112690

約数の個数: 64

約数和(自身を含む): 44945571840

約数和(自身を除く): 24821983096

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 103, 124, 206, 217, 248, 412, 434, 721, 824, 868, 1442, 1736, 2884, 3193, 5768, 6386, 12772, 22351, 25544, 44702, 89404, 112543, 178808, 225086, 450172, 787801, 900344, 1575602, 3151204, 3488833, 6302408, 6977666, 11591929, 13955332, 23183858, 24421831, 27910664, 46367716, 48843662, 81143503, 92735432, 97687324, 162287006, 195374648, 324574012, 359349799, 649148024, 718699598, 1437399196, 2515448593, 2874798392, 5030897186, 10061794372, 20123588744]

約数ペア:

[(1, 20123588744), (2, 10061794372), (4, 5030897186), (7, 2874798392), (8, 2515448593), (14, 1437399196), (28, 718699598), (31, 649148024), (56, 359349799), (62, 324574012), (103, 195374648), (124, 162287006), (206, 97687324), (217, 92735432), (248, 81143503), (412, 48843662), (434, 46367716), (721, 27910664), (824, 24421831), (868, 23183858), (1442, 13955332), (1736, 11591929), (2884, 6977666), (3193, 6302408), (5768, 3488833), (6386, 3151204), (12772, 1575602), (22351, 900344), (25544, 787801), (44702, 450172), (89404, 225086), (112543, 178808)]