20599700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 49725984

約数和(自身を除く): 29126284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 61, 100, 110, 122, 220, 244, 275, 305, 307, 550, 610, 614, 671, 1100, 1220, 1228, 1342, 1525, 1535, 2684, 3050, 3070, 3355, 3377, 6100, 6140, 6710, 6754, 7675, 13420, 13508, 15350, 16775, 16885, 18727, 30700, 33550, 33770, 37454, 67100, 67540, 74908, 84425, 93635, 168850, 187270, 205997, 337700, 374540, 411994, 468175, 823988, 936350, 1029985, 1872700, 2059970, 4119940, 5149925, 10299850, 20599700]

約数ペア:

[(1, 20599700), (2, 10299850), (4, 5149925), (5, 4119940), (10, 2059970), (11, 1872700), (20, 1029985), (22, 936350), (25, 823988), (44, 468175), (50, 411994), (55, 374540), (61, 337700), (100, 205997), (110, 187270), (122, 168850), (220, 93635), (244, 84425), (275, 74908), (305, 67540), (307, 67100), (550, 37454), (610, 33770), (614, 33550), (671, 30700), (1100, 18727), (1220, 16885), (1228, 16775), (1342, 15350), (1525, 13508), (1535, 13420), (2684, 7675), (3050, 6754), (3070, 6710), (3355, 6140), (3377, 6100)]