20058880

素因数分解:

$2^8\times 5^1\times {\mathrm{15671}}^1$

素因数の和:15692

約数の個数: 36

約数和(自身を含む): 48050352

約数和(自身を除く): 27991472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 15671, 31342, 62684, 78355, 125368, 156710, 250736, 313420, 501472, 626840, 1002944, 1253680, 2005888, 2507360, 4011776, 5014720, 10029440, 20058880]

約数ペア:

[(1, 20058880), (2, 10029440), (4, 5014720), (5, 4011776), (8, 2507360), (10, 2005888), (16, 1253680), (20, 1002944), (32, 626840), (40, 501472), (64, 313420), (80, 250736), (128, 156710), (160, 125368), (256, 78355), (320, 62684), (640, 31342), (1280, 15671)]