20253750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{491}}^1$

素因数の和:527

約数の個数: 80

約数和(自身を含む): 55332288

約数和(自身を除く): 35078538

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 125, 150, 165, 250, 275, 330, 375, 491, 550, 625, 750, 825, 982, 1250, 1375, 1473, 1650, 1875, 2455, 2750, 2946, 3750, 4125, 4910, 5401, 6875, 7365, 8250, 10802, 12275, 13750, 14730, 16203, 20625, 24550, 27005, 32406, 36825, 41250, 54010, 61375, 73650, 81015, 122750, 135025, 162030, 184125, 270050, 306875, 368250, 405075, 613750, 675125, 810150, 920625, 1350250, 1841250, 2025375, 3375625, 4050750, 6751250, 10126875, 20253750]

約数ペア:

[(1, 20253750), (2, 10126875), (3, 6751250), (5, 4050750), (6, 3375625), (10, 2025375), (11, 1841250), (15, 1350250), (22, 920625), (25, 810150), (30, 675125), (33, 613750), (50, 405075), (55, 368250), (66, 306875), (75, 270050), (110, 184125), (125, 162030), (150, 135025), (165, 122750), (250, 81015), (275, 73650), (330, 61375), (375, 54010), (491, 41250), (550, 36825), (625, 32406), (750, 27005), (825, 24550), (982, 20625), (1250, 16203), (1375, 14730), (1473, 13750), (1650, 12275), (1875, 10802), (2455, 8250), (2750, 7365), (2946, 6875), (3750, 5401), (4125, 4910)]