20920875

素因数分解:

$3^1\times 5^3\times {\mathrm{47}}^1\times {\mathrm{1187}}^1$

素因数の和:1252

約数の個数: 32

約数和(自身を含む): 35582976

約数和(自身を除く): 14662101

約数列:

[1, 3, 5, 15, 25, 47, 75, 125, 141, 235, 375, 705, 1175, 1187, 3525, 3561, 5875, 5935, 17625, 17805, 29675, 55789, 89025, 148375, 167367, 278945, 445125, 836835, 1394725, 4184175, 6973625, 20920875]

約数ペア:

[(1, 20920875), (3, 6973625), (5, 4184175), (15, 1394725), (25, 836835), (47, 445125), (75, 278945), (125, 167367), (141, 148375), (235, 89025), (375, 55789), (705, 29675), (1175, 17805), (1187, 17625), (3525, 5935), (3561, 5875)]