20852075600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1681619}}^1$

素因数の和:1681668

約数の個数: 60

約数和(自身を含む): 51713178240

約数和(自身を除く): 30861102640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400, 1681619, 3363238, 6726476, 8408095, 13452952, 16816190, 26905904, 33632380, 42040475, 52130189, 67264760, 84080950, 104260378, 134529520, 168161900, 208520756, 260650945, 336323800, 417041512, 521301890, 672647600, 834083024, 1042603780, 1303254725, 2085207560, 2606509450, 4170415120, 5213018900, 10426037800, 20852075600]

約数ペア:

[(1, 20852075600), (2, 10426037800), (4, 5213018900), (5, 4170415120), (8, 2606509450), (10, 2085207560), (16, 1303254725), (20, 1042603780), (25, 834083024), (31, 672647600), (40, 521301890), (50, 417041512), (62, 336323800), (80, 260650945), (100, 208520756), (124, 168161900), (155, 134529520), (200, 104260378), (248, 84080950), (310, 67264760), (400, 52130189), (496, 42040475), (620, 33632380), (775, 26905904), (1240, 16816190), (1550, 13452952), (2480, 8408095), (3100, 6726476), (6200, 3363238), (12400, 1681619)]