20542200

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 192

約数和(自身を含む): 74876160

約数和(自身を除く): 54333960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 67, 70, 73, 75, 84, 100, 105, 120, 134, 140, 146, 150, 168, 175, 200, 201, 210, 219, 268, 280, 292, 300, 335, 350, 365, 402, 420, 438, 469, 511, 525, 536, 584, 600, 670, 700, 730, 804, 840, 876, 938, 1005, 1022, 1050, 1095, 1340, 1400, 1407, 1460, 1533, 1608, 1675, 1752, 1825, 1876, 2010, 2044, 2100, 2190, 2345, 2555, 2680, 2814, 2920, 3066, 3350, 3650, 3752, 4020, 4088, 4200, 4380, 4690, 4891, 5025, 5110, 5475, 5628, 6132, 6700, 7035, 7300, 7665, 8040, 8760, 9380, 9782, 10050, 10220, 10950, 11256, 11725, 12264, 12775, 13400, 14070, 14600, 14673, 15330, 18760, 19564, 20100, 20440, 21900, 23450, 24455, 25550, 28140, 29346, 30660, 34237, 35175, 38325, 39128, 40200, 43800, 46900, 48910, 51100, 56280, 58692, 61320, 68474, 70350, 73365, 76650, 93800, 97820, 102200, 102711, 117384, 122275, 136948, 140700, 146730, 153300, 171185, 195640, 205422, 244550, 273896, 281400, 293460, 306600, 342370, 366825, 410844, 489100, 513555, 586920, 684740, 733650, 821688, 855925, 978200, 1027110, 1369480, 1467300, 1711850, 2054220, 2567775, 2934600, 3423700, 4108440, 5135550, 6847400, 10271100, 20542200]

約数ペア:

[(1, 20542200), (2, 10271100), (3, 6847400), (4, 5135550), (5, 4108440), (6, 3423700), (7, 2934600), (8, 2567775), (10, 2054220), (12, 1711850), (14, 1467300), (15, 1369480), (20, 1027110), (21, 978200), (24, 855925), (25, 821688), (28, 733650), (30, 684740), (35, 586920), (40, 513555), (42, 489100), (50, 410844), (56, 366825), (60, 342370), (67, 306600), (70, 293460), (73, 281400), (75, 273896), (84, 244550), (100, 205422), (105, 195640), (120, 171185), (134, 153300), (140, 146730), (146, 140700), (150, 136948), (168, 122275), (175, 117384), (200, 102711), (201, 102200), (210, 97820), (219, 93800), (268, 76650), (280, 73365), (292, 70350), (300, 68474), (335, 61320), (350, 58692), (365, 56280), (402, 51100), (420, 48910), (438, 46900), (469, 43800), (511, 40200), (525, 39128), (536, 38325), (584, 35175), (600, 34237), (670, 30660), (700, 29346), (730, 28140), (804, 25550), (840, 24455), (876, 23450), (938, 21900), (1005, 20440), (1022, 20100), (1050, 19564), (1095, 18760), (1340, 15330), (1400, 14673), (1407, 14600), (1460, 14070), (1533, 13400), (1608, 12775), (1675, 12264), (1752, 11725), (1825, 11256), (1876, 10950), (2010, 10220), (2044, 10050), (2100, 9782), (2190, 9380), (2345, 8760), (2555, 8040), (2680, 7665), (2814, 7300), (2920, 7035), (3066, 6700), (3350, 6132), (3650, 5628), (3752, 5475), (4020, 5110), (4088, 5025), (4200, 4891), (4380, 4690)]