20873700

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{859}}^1$

素因数の和:888

約数の個数: 108

約数和(自身を含む): 67929680

約数和(自身を除く): 47055980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 270, 300, 324, 405, 450, 486, 540, 675, 810, 859, 900, 972, 1215, 1350, 1620, 1718, 2025, 2430, 2577, 2700, 3436, 4050, 4295, 4860, 5154, 6075, 7731, 8100, 8590, 10308, 12150, 12885, 15462, 17180, 21475, 23193, 24300, 25770, 30924, 38655, 42950, 46386, 51540, 64425, 69579, 77310, 85900, 92772, 115965, 128850, 139158, 154620, 193275, 208737, 231930, 257700, 278316, 347895, 386550, 417474, 463860, 579825, 695790, 773100, 834948, 1043685, 1159650, 1391580, 1739475, 2087370, 2319300, 3478950, 4174740, 5218425, 6957900, 10436850, 20873700]

約数ペア:

[(1, 20873700), (2, 10436850), (3, 6957900), (4, 5218425), (5, 4174740), (6, 3478950), (9, 2319300), (10, 2087370), (12, 1739475), (15, 1391580), (18, 1159650), (20, 1043685), (25, 834948), (27, 773100), (30, 695790), (36, 579825), (45, 463860), (50, 417474), (54, 386550), (60, 347895), (75, 278316), (81, 257700), (90, 231930), (100, 208737), (108, 193275), (135, 154620), (150, 139158), (162, 128850), (180, 115965), (225, 92772), (243, 85900), (270, 77310), (300, 69579), (324, 64425), (405, 51540), (450, 46386), (486, 42950), (540, 38655), (675, 30924), (810, 25770), (859, 24300), (900, 23193), (972, 21475), (1215, 17180), (1350, 15462), (1620, 12885), (1718, 12150), (2025, 10308), (2430, 8590), (2577, 8100), (2700, 7731), (3436, 6075), (4050, 5154), (4295, 4860)]