20076550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 40903632

約数和(自身を除く): 20827082

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 67, 130, 134, 325, 335, 461, 650, 670, 871, 922, 1675, 1742, 2305, 3350, 4355, 4610, 5993, 8710, 11525, 11986, 21775, 23050, 29965, 30887, 43550, 59930, 61774, 149825, 154435, 299650, 308870, 401531, 772175, 803062, 1544350, 2007655, 4015310, 10038275, 20076550]

約数ペア:

[(1, 20076550), (2, 10038275), (5, 4015310), (10, 2007655), (13, 1544350), (25, 803062), (26, 772175), (50, 401531), (65, 308870), (67, 299650), (130, 154435), (134, 149825), (325, 61774), (335, 59930), (461, 43550), (650, 30887), (670, 29965), (871, 23050), (922, 21775), (1675, 11986), (1742, 11525), (2305, 8710), (3350, 5993), (4355, 4610)]