20882499

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 10912701

約数列:

[1, 3, 11, 31, 33, 93, 137, 149, 341, 411, 447, 1023, 1507, 1639, 4247, 4521, 4619, 4917, 12741, 13857, 20413, 46717, 50809, 61239, 140151, 152427, 224543, 632803, 673629, 1898409, 6960833, 20882499]

約数ペア:

[(1, 20882499), (3, 6960833), (11, 1898409), (31, 673629), (33, 632803), (93, 224543), (137, 152427), (149, 140151), (341, 61239), (411, 50809), (447, 46717), (1023, 20413), (1507, 13857), (1639, 12741), (4247, 4917), (4521, 4619)]