20761320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5581}}^1$

素因数の和:5626

約数の個数: 64

約数和(自身を含む): 64304640

約数和(自身を除く): 43543320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5581, 11162, 16743, 22324, 27905, 33486, 44648, 55810, 66972, 83715, 111620, 133944, 167430, 173011, 223240, 334860, 346022, 519033, 669720, 692044, 865055, 1038066, 1384088, 1730110, 2076132, 2595165, 3460220, 4152264, 5190330, 6920440, 10380660, 20761320]

約数ペア:

[(1, 20761320), (2, 10380660), (3, 6920440), (4, 5190330), (5, 4152264), (6, 3460220), (8, 2595165), (10, 2076132), (12, 1730110), (15, 1384088), (20, 1038066), (24, 865055), (30, 692044), (31, 669720), (40, 519033), (60, 346022), (62, 334860), (93, 223240), (120, 173011), (124, 167430), (155, 133944), (186, 111620), (248, 83715), (310, 66972), (372, 55810), (465, 44648), (620, 33486), (744, 27905), (930, 22324), (1240, 16743), (1860, 11162), (3720, 5581)]