20156880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83987}}^1$

素因数の和:84003

約数の個数: 40

約数和(自身を含む): 62487072

約数和(自身を除く): 42330192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 83987, 167974, 251961, 335948, 419935, 503922, 671896, 839870, 1007844, 1259805, 1343792, 1679740, 2015688, 2519610, 3359480, 4031376, 5039220, 6718960, 10078440, 20156880]

約数ペア:

[(1, 20156880), (2, 10078440), (3, 6718960), (4, 5039220), (5, 4031376), (6, 3359480), (8, 2519610), (10, 2015688), (12, 1679740), (15, 1343792), (16, 1259805), (20, 1007844), (24, 839870), (30, 671896), (40, 503922), (48, 419935), (60, 335948), (80, 251961), (120, 167974), (240, 83987)]