20527600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 54046640

約数和(自身を除く): 33519040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 37, 38, 40, 50, 73, 74, 76, 80, 95, 100, 146, 148, 152, 185, 190, 200, 292, 296, 304, 365, 370, 380, 400, 475, 584, 592, 703, 730, 740, 760, 925, 950, 1168, 1387, 1406, 1460, 1480, 1520, 1825, 1850, 1900, 2701, 2774, 2812, 2920, 2960, 3515, 3650, 3700, 3800, 5402, 5548, 5624, 5840, 6935, 7030, 7300, 7400, 7600, 10804, 11096, 11248, 13505, 13870, 14060, 14600, 14800, 17575, 21608, 22192, 27010, 27740, 28120, 29200, 34675, 35150, 43216, 51319, 54020, 55480, 56240, 67525, 69350, 70300, 102638, 108040, 110960, 135050, 138700, 140600, 205276, 216080, 256595, 270100, 277400, 281200, 410552, 513190, 540200, 554800, 821104, 1026380, 1080400, 1282975, 2052760, 2565950, 4105520, 5131900, 10263800, 20527600]

約数ペア:

[(1, 20527600), (2, 10263800), (4, 5131900), (5, 4105520), (8, 2565950), (10, 2052760), (16, 1282975), (19, 1080400), (20, 1026380), (25, 821104), (37, 554800), (38, 540200), (40, 513190), (50, 410552), (73, 281200), (74, 277400), (76, 270100), (80, 256595), (95, 216080), (100, 205276), (146, 140600), (148, 138700), (152, 135050), (185, 110960), (190, 108040), (200, 102638), (292, 70300), (296, 69350), (304, 67525), (365, 56240), (370, 55480), (380, 54020), (400, 51319), (475, 43216), (584, 35150), (592, 34675), (703, 29200), (730, 28120), (740, 27740), (760, 27010), (925, 22192), (950, 21608), (1168, 17575), (1387, 14800), (1406, 14600), (1460, 14060), (1480, 13870), (1520, 13505), (1825, 11248), (1850, 11096), (1900, 10804), (2701, 7600), (2774, 7400), (2812, 7300), (2920, 7030), (2960, 6935), (3515, 5840), (3650, 5624), (3700, 5548), (3800, 5402)]