20852700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 67495680

約数和(自身を除く): 46642980

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 71, 75, 89, 100, 110, 132, 142, 150, 165, 178, 213, 220, 267, 275, 284, 300, 330, 355, 356, 426, 445, 534, 550, 660, 710, 781, 825, 852, 890, 979, 1065, 1068, 1100, 1335, 1420, 1562, 1650, 1775, 1780, 1958, 2130, 2225, 2343, 2670, 2937, 3124, 3300, 3550, 3905, 3916, 4260, 4450, 4686, 4895, 5325, 5340, 5874, 6319, 6675, 7100, 7810, 8900, 9372, 9790, 10650, 11715, 11748, 12638, 13350, 14685, 15620, 18957, 19525, 19580, 21300, 23430, 24475, 25276, 26700, 29370, 31595, 37914, 39050, 46860, 48950, 58575, 58740, 63190, 69509, 73425, 75828, 78100, 94785, 97900, 117150, 126380, 139018, 146850, 157975, 189570, 208527, 234300, 278036, 293700, 315950, 347545, 379140, 417054, 473925, 631900, 695090, 834108, 947850, 1042635, 1390180, 1737725, 1895700, 2085270, 3475450, 4170540, 5213175, 6950900, 10426350, 20852700]

約数ペア:

[(1, 20852700), (2, 10426350), (3, 6950900), (4, 5213175), (5, 4170540), (6, 3475450), (10, 2085270), (11, 1895700), (12, 1737725), (15, 1390180), (20, 1042635), (22, 947850), (25, 834108), (30, 695090), (33, 631900), (44, 473925), (50, 417054), (55, 379140), (60, 347545), (66, 315950), (71, 293700), (75, 278036), (89, 234300), (100, 208527), (110, 189570), (132, 157975), (142, 146850), (150, 139018), (165, 126380), (178, 117150), (213, 97900), (220, 94785), (267, 78100), (275, 75828), (284, 73425), (300, 69509), (330, 63190), (355, 58740), (356, 58575), (426, 48950), (445, 46860), (534, 39050), (550, 37914), (660, 31595), (710, 29370), (781, 26700), (825, 25276), (852, 24475), (890, 23430), (979, 21300), (1065, 19580), (1068, 19525), (1100, 18957), (1335, 15620), (1420, 14685), (1562, 13350), (1650, 12638), (1775, 11748), (1780, 11715), (1958, 10650), (2130, 9790), (2225, 9372), (2343, 8900), (2670, 7810), (2937, 7100), (3124, 6675), (3300, 6319), (3550, 5874), (3905, 5340), (3916, 5325), (4260, 4895), (4450, 4686)]