20141992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{661}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 40871880

約数和(自身を除く): 20729888

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 293, 586, 661, 1172, 1322, 2344, 2644, 3809, 5288, 7618, 8593, 15236, 17186, 30472, 34372, 68744, 193673, 387346, 774692, 1549384, 2517749, 5035498, 10070996, 20141992]

約数ペア:

[(1, 20141992), (2, 10070996), (4, 5035498), (8, 2517749), (13, 1549384), (26, 774692), (52, 387346), (104, 193673), (293, 68744), (586, 34372), (661, 30472), (1172, 17186), (1322, 15236), (2344, 8593), (2644, 7618), (3809, 5288)]