20227835480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{66373}}^1$

素因数の和:66804

約数の個数: 64

約数和(自身を含む): 48028226400

約数和(自身を除く): 27800390920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 401, 760, 802, 1604, 2005, 3208, 4010, 7619, 8020, 15238, 16040, 30476, 38095, 60952, 66373, 76190, 132746, 152380, 265492, 304760, 331865, 530984, 663730, 1261087, 1327460, 2522174, 2654920, 5044348, 6305435, 10088696, 12610870, 25221740, 26615573, 50443480, 53231146, 106462292, 133077865, 212924584, 266155730, 505695887, 532311460, 1011391774, 1064622920, 2022783548, 2528479435, 4045567096, 5056958870, 10113917740, 20227835480]

約数ペア:

[(1, 20227835480), (2, 10113917740), (4, 5056958870), (5, 4045567096), (8, 2528479435), (10, 2022783548), (19, 1064622920), (20, 1011391774), (38, 532311460), (40, 505695887), (76, 266155730), (95, 212924584), (152, 133077865), (190, 106462292), (380, 53231146), (401, 50443480), (760, 26615573), (802, 25221740), (1604, 12610870), (2005, 10088696), (3208, 6305435), (4010, 5044348), (7619, 2654920), (8020, 2522174), (15238, 1327460), (16040, 1261087), (30476, 663730), (38095, 530984), (60952, 331865), (66373, 304760), (76190, 265492), (132746, 152380)]