20208120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3583}}^1$

素因数の和:3644

約数の個数: 64

約数和(自身を含む): 61931520

約数和(自身を除く): 41723400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3583, 5640, 7166, 10749, 14332, 17915, 21498, 28664, 35830, 42996, 53745, 71660, 85992, 107490, 143320, 168401, 214980, 336802, 429960, 505203, 673604, 842005, 1010406, 1347208, 1684010, 2020812, 2526015, 3368020, 4041624, 5052030, 6736040, 10104060, 20208120]

約数ペア:

[(1, 20208120), (2, 10104060), (3, 6736040), (4, 5052030), (5, 4041624), (6, 3368020), (8, 2526015), (10, 2020812), (12, 1684010), (15, 1347208), (20, 1010406), (24, 842005), (30, 673604), (40, 505203), (47, 429960), (60, 336802), (94, 214980), (120, 168401), (141, 143320), (188, 107490), (235, 85992), (282, 71660), (376, 53745), (470, 42996), (564, 35830), (705, 28664), (940, 21498), (1128, 17915), (1410, 14332), (1880, 10749), (2820, 7166), (3583, 5640)]