20875860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{577}}^1$

素因数の和:662

約数の個数: 96

約数和(自身を含む): 66030720

約数和(自身を除く): 45154860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 67, 90, 108, 134, 135, 180, 201, 268, 270, 335, 402, 540, 577, 603, 670, 804, 1005, 1154, 1206, 1340, 1731, 1809, 2010, 2308, 2412, 2885, 3015, 3462, 3618, 4020, 5193, 5770, 6030, 6924, 7236, 8655, 9045, 10386, 11540, 12060, 15579, 17310, 18090, 20772, 25965, 31158, 34620, 36180, 38659, 51930, 62316, 77318, 77895, 103860, 115977, 154636, 155790, 193295, 231954, 311580, 347931, 386590, 463908, 579885, 695862, 773180, 1043793, 1159770, 1391724, 1739655, 2087586, 2319540, 3479310, 4175172, 5218965, 6958620, 10437930, 20875860]

約数ペア:

[(1, 20875860), (2, 10437930), (3, 6958620), (4, 5218965), (5, 4175172), (6, 3479310), (9, 2319540), (10, 2087586), (12, 1739655), (15, 1391724), (18, 1159770), (20, 1043793), (27, 773180), (30, 695862), (36, 579885), (45, 463908), (54, 386590), (60, 347931), (67, 311580), (90, 231954), (108, 193295), (134, 155790), (135, 154636), (180, 115977), (201, 103860), (268, 77895), (270, 77318), (335, 62316), (402, 51930), (540, 38659), (577, 36180), (603, 34620), (670, 31158), (804, 25965), (1005, 20772), (1154, 18090), (1206, 17310), (1340, 15579), (1731, 12060), (1809, 11540), (2010, 10386), (2308, 9045), (2412, 8655), (2885, 7236), (3015, 6924), (3462, 6030), (3618, 5770), (4020, 5193)]