20775056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1847}}^1$

素因数の和:1911

約数の個数: 40

約数和(自身を含む): 43538880

約数和(自身を除く): 22763824

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 296, 304, 592, 703, 1406, 1847, 2812, 3694, 5624, 7388, 11248, 14776, 29552, 35093, 68339, 70186, 136678, 140372, 273356, 280744, 546712, 561488, 1093424, 1298441, 2596882, 5193764, 10387528, 20775056]

約数ペア:

[(1, 20775056), (2, 10387528), (4, 5193764), (8, 2596882), (16, 1298441), (19, 1093424), (37, 561488), (38, 546712), (74, 280744), (76, 273356), (148, 140372), (152, 136678), (296, 70186), (304, 68339), (592, 35093), (703, 29552), (1406, 14776), (1847, 11248), (2812, 7388), (3694, 5624)]