20147307375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{77977}}^1$

素因数の和:78061

約数の個数: 64

約数和(自身を含む): 36785653632

約数和(自身を除く): 16638346257

約数列:

[1, 3, 5, 13, 15, 25, 39, 53, 65, 75, 125, 159, 195, 265, 325, 375, 689, 795, 975, 1325, 1625, 2067, 3445, 3975, 4875, 6625, 10335, 17225, 19875, 51675, 77977, 86125, 233931, 258375, 389885, 1013701, 1169655, 1949425, 3041103, 4132781, 5068505, 5848275, 9747125, 12398343, 15205515, 20663905, 25342525, 29241375, 53726153, 61991715, 76027575, 103319525, 126712625, 161178459, 268630765, 309958575, 380137875, 516597625, 805892295, 1343153825, 1549792875, 4029461475, 6715769125, 20147307375]

約数ペア:

[(1, 20147307375), (3, 6715769125), (5, 4029461475), (13, 1549792875), (15, 1343153825), (25, 805892295), (39, 516597625), (53, 380137875), (65, 309958575), (75, 268630765), (125, 161178459), (159, 126712625), (195, 103319525), (265, 76027575), (325, 61991715), (375, 53726153), (689, 29241375), (795, 25342525), (975, 20663905), (1325, 15205515), (1625, 12398343), (2067, 9747125), (3445, 5848275), (3975, 5068505), (4875, 4132781), (6625, 3041103), (10335, 1949425), (17225, 1169655), (19875, 1013701), (51675, 389885), (77977, 258375), (86125, 233931)]