20939672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10597}}^1$

素因数の和:10635

約数の個数: 32

約数和(自身を含む): 44511600

約数和(自身を除く): 23571928

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10597, 21194, 42388, 84776, 137761, 201343, 275522, 402686, 551044, 805372, 1102088, 1610744, 2617459, 5234918, 10469836, 20939672]

約数ペア:

[(1, 20939672), (2, 10469836), (4, 5234918), (8, 2617459), (13, 1610744), (19, 1102088), (26, 805372), (38, 551044), (52, 402686), (76, 275522), (104, 201343), (152, 137761), (247, 84776), (494, 42388), (988, 21194), (1976, 10597)]