20451750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:135

約数の個数: 128

約数和(自身を含む): 58046976

約数和(自身を除く): 37595226

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 37, 50, 55, 66, 67, 74, 75, 110, 111, 125, 134, 150, 165, 185, 201, 222, 250, 275, 330, 335, 370, 375, 402, 407, 550, 555, 670, 737, 750, 814, 825, 925, 1005, 1110, 1221, 1375, 1474, 1650, 1675, 1850, 2010, 2035, 2211, 2442, 2479, 2750, 2775, 3350, 3685, 4070, 4125, 4422, 4625, 4958, 5025, 5550, 6105, 7370, 7437, 8250, 8375, 9250, 10050, 10175, 11055, 12210, 12395, 13875, 14874, 16750, 18425, 20350, 22110, 24790, 25125, 27269, 27750, 30525, 36850, 37185, 50250, 50875, 54538, 55275, 61050, 61975, 74370, 81807, 92125, 101750, 110550, 123950, 136345, 152625, 163614, 184250, 185925, 272690, 276375, 305250, 309875, 371850, 409035, 552750, 619750, 681725, 818070, 929625, 1363450, 1859250, 2045175, 3408625, 4090350, 6817250, 10225875, 20451750]

約数ペア:

[(1, 20451750), (2, 10225875), (3, 6817250), (5, 4090350), (6, 3408625), (10, 2045175), (11, 1859250), (15, 1363450), (22, 929625), (25, 818070), (30, 681725), (33, 619750), (37, 552750), (50, 409035), (55, 371850), (66, 309875), (67, 305250), (74, 276375), (75, 272690), (110, 185925), (111, 184250), (125, 163614), (134, 152625), (150, 136345), (165, 123950), (185, 110550), (201, 101750), (222, 92125), (250, 81807), (275, 74370), (330, 61975), (335, 61050), (370, 55275), (375, 54538), (402, 50875), (407, 50250), (550, 37185), (555, 36850), (670, 30525), (737, 27750), (750, 27269), (814, 25125), (825, 24790), (925, 22110), (1005, 20350), (1110, 18425), (1221, 16750), (1375, 14874), (1474, 13875), (1650, 12395), (1675, 12210), (1850, 11055), (2010, 10175), (2035, 10050), (2211, 9250), (2442, 8375), (2479, 8250), (2750, 7437), (2775, 7370), (3350, 6105), (3685, 5550), (4070, 5025), (4125, 4958), (4422, 4625)]