20585690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 20782630

約数列:

[1, 2, 5, 10, 23, 37, 41, 46, 59, 74, 82, 115, 118, 185, 205, 230, 295, 370, 410, 590, 851, 943, 1357, 1517, 1702, 1886, 2183, 2419, 2714, 3034, 4255, 4366, 4715, 4838, 6785, 7585, 8510, 9430, 10915, 12095, 13570, 15170, 21830, 24190, 34891, 50209, 55637, 69782, 89503, 100418, 111274, 174455, 179006, 251045, 278185, 348910, 447515, 502090, 556370, 895030, 2058569, 4117138, 10292845, 20585690]

約数ペア:

[(1, 20585690), (2, 10292845), (5, 4117138), (10, 2058569), (23, 895030), (37, 556370), (41, 502090), (46, 447515), (59, 348910), (74, 278185), (82, 251045), (115, 179006), (118, 174455), (185, 111274), (205, 100418), (230, 89503), (295, 69782), (370, 55637), (410, 50209), (590, 34891), (851, 24190), (943, 21830), (1357, 15170), (1517, 13570), (1702, 12095), (1886, 10915), (2183, 9430), (2419, 8510), (2714, 7585), (3034, 6785), (4255, 4838), (4366, 4715)]