20444339960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{55249}}^1$

素因数の和:55329

約数の個数: 96

約数和(自身を含む): 51972570000

約数和(自身を除く): 31528230040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 841, 1160, 1276, 1595, 1682, 2552, 3190, 3364, 4205, 6380, 6728, 8410, 9251, 12760, 16820, 18502, 33640, 37004, 46255, 55249, 74008, 92510, 110498, 185020, 220996, 276245, 370040, 441992, 552490, 607739, 1104980, 1215478, 1602221, 2209960, 2430956, 3038695, 3204442, 4861912, 6077390, 6408884, 8011105, 12154780, 12817768, 16022210, 17624431, 24309560, 32044420, 35248862, 46464409, 64088840, 70497724, 88122155, 92928818, 140995448, 176244310, 185857636, 232322045, 352488620, 371715272, 464644090, 511108499, 704977240, 929288180, 1022216998, 1858576360, 2044433996, 2555542495, 4088867992, 5111084990, 10222169980, 20444339960]

約数ペア:

[(1, 20444339960), (2, 10222169980), (4, 5111084990), (5, 4088867992), (8, 2555542495), (10, 2044433996), (11, 1858576360), (20, 1022216998), (22, 929288180), (29, 704977240), (40, 511108499), (44, 464644090), (55, 371715272), (58, 352488620), (88, 232322045), (110, 185857636), (116, 176244310), (145, 140995448), (220, 92928818), (232, 88122155), (290, 70497724), (319, 64088840), (440, 46464409), (580, 35248862), (638, 32044420), (841, 24309560), (1160, 17624431), (1276, 16022210), (1595, 12817768), (1682, 12154780), (2552, 8011105), (3190, 6408884), (3364, 6077390), (4205, 4861912), (6380, 3204442), (6728, 3038695), (8410, 2430956), (9251, 2209960), (12760, 1602221), (16820, 1215478), (18502, 1104980), (33640, 607739), (37004, 552490), (46255, 441992), (55249, 370040), (74008, 276245), (92510, 220996), (110498, 185020)]