20112752520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2660417}}^1$

素因数の和:2660444

約数の個数: 128

約数和(自身を含む): 76620038400

約数和(自身を除く): 56507285880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 2660417, 5320834, 7981251, 10641668, 13302085, 15962502, 18622919, 21283336, 23943753, 26604170, 31925004, 37245838, 39906255, 47887506, 53208340, 55868757, 63850008, 71831259, 74491676, 79812510, 93114595, 95775012, 106416680, 111737514, 119718765, 143662518, 148983352, 159625020, 167606271, 186229190, 191550024, 223475028, 239437530, 279343785, 287325036, 319250040, 335212542, 359156295, 372458380, 446950056, 478875060, 502818813, 558687570, 574650072, 670425084, 718312590, 744916760, 838031355, 957750120, 1005637626, 1117375140, 1340850168, 1436625180, 1676062710, 2011275252, 2234750280, 2514094065, 2873250360, 3352125420, 4022550504, 5028188130, 6704250840, 10056376260, 20112752520]

約数ペア:

[(1, 20112752520), (2, 10056376260), (3, 6704250840), (4, 5028188130), (5, 4022550504), (6, 3352125420), (7, 2873250360), (8, 2514094065), (9, 2234750280), (10, 2011275252), (12, 1676062710), (14, 1436625180), (15, 1340850168), (18, 1117375140), (20, 1005637626), (21, 957750120), (24, 838031355), (27, 744916760), (28, 718312590), (30, 670425084), (35, 574650072), (36, 558687570), (40, 502818813), (42, 478875060), (45, 446950056), (54, 372458380), (56, 359156295), (60, 335212542), (63, 319250040), (70, 287325036), (72, 279343785), (84, 239437530), (90, 223475028), (105, 191550024), (108, 186229190), (120, 167606271), (126, 159625020), (135, 148983352), (140, 143662518), (168, 119718765), (180, 111737514), (189, 106416680), (210, 95775012), (216, 93114595), (252, 79812510), (270, 74491676), (280, 71831259), (315, 63850008), (360, 55868757), (378, 53208340), (420, 47887506), (504, 39906255), (540, 37245838), (630, 31925004), (756, 26604170), (840, 23943753), (945, 21283336), (1080, 18622919), (1260, 15962502), (1512, 13302085), (1890, 10641668), (2520, 7981251), (3780, 5320834), (7560, 2660417)]