20467920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7753}}^1$

素因数の和:7780

約数の個数: 80

約数和(自身を含む): 69227712

約数和(自身を除く): 48759792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7753, 15506, 23259, 31012, 38765, 46518, 62024, 77530, 85283, 93036, 116295, 124048, 155060, 170566, 186072, 232590, 255849, 310120, 341132, 372144, 426415, 465180, 511698, 620240, 682264, 852830, 930360, 1023396, 1279245, 1364528, 1705660, 1860720, 2046792, 2558490, 3411320, 4093584, 5116980, 6822640, 10233960, 20467920]

約数ペア:

[(1, 20467920), (2, 10233960), (3, 6822640), (4, 5116980), (5, 4093584), (6, 3411320), (8, 2558490), (10, 2046792), (11, 1860720), (12, 1705660), (15, 1364528), (16, 1279245), (20, 1023396), (22, 930360), (24, 852830), (30, 682264), (33, 620240), (40, 511698), (44, 465180), (48, 426415), (55, 372144), (60, 341132), (66, 310120), (80, 255849), (88, 232590), (110, 186072), (120, 170566), (132, 155060), (165, 124048), (176, 116295), (220, 93036), (240, 85283), (264, 77530), (330, 62024), (440, 46518), (528, 38765), (660, 31012), (880, 23259), (1320, 15506), (2640, 7753)]