20801824

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{13831}}^1$

素因数の和:13888

約数の個数: 24

約数和(自身を含む): 41827968

約数和(自身を除く): 21026144

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 752, 1504, 13831, 27662, 55324, 110648, 221296, 442592, 650057, 1300114, 2600228, 5200456, 10400912, 20801824]

約数ペア:

[(1, 20801824), (2, 10400912), (4, 5200456), (8, 2600228), (16, 1300114), (32, 650057), (47, 442592), (94, 221296), (188, 110648), (376, 55324), (752, 27662), (1504, 13831)]