20031270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:246

約数の個数: 128

約数和(自身を含む): 60383232

約数和(自身を除く): 40351962

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 31, 34, 35, 42, 51, 62, 70, 85, 93, 102, 105, 119, 155, 170, 181, 186, 210, 217, 238, 255, 310, 357, 362, 434, 465, 510, 527, 543, 595, 651, 714, 905, 930, 1054, 1085, 1086, 1190, 1267, 1302, 1581, 1785, 1810, 2170, 2534, 2635, 2715, 3077, 3162, 3255, 3570, 3689, 3801, 5270, 5430, 5611, 6154, 6335, 6510, 7378, 7602, 7905, 9231, 11067, 11222, 12670, 15385, 15810, 16833, 18445, 18462, 19005, 21539, 22134, 28055, 30770, 33666, 36890, 38010, 39277, 43078, 46155, 55335, 56110, 64617, 78554, 84165, 92310, 95387, 107695, 110670, 117831, 129234, 168330, 190774, 196385, 215390, 235662, 286161, 323085, 392770, 476935, 572322, 589155, 646170, 667709, 953870, 1178310, 1335418, 1430805, 2003127, 2861610, 3338545, 4006254, 6677090, 10015635, 20031270]

約数ペア:

[(1, 20031270), (2, 10015635), (3, 6677090), (5, 4006254), (6, 3338545), (7, 2861610), (10, 2003127), (14, 1430805), (15, 1335418), (17, 1178310), (21, 953870), (30, 667709), (31, 646170), (34, 589155), (35, 572322), (42, 476935), (51, 392770), (62, 323085), (70, 286161), (85, 235662), (93, 215390), (102, 196385), (105, 190774), (119, 168330), (155, 129234), (170, 117831), (181, 110670), (186, 107695), (210, 95387), (217, 92310), (238, 84165), (255, 78554), (310, 64617), (357, 56110), (362, 55335), (434, 46155), (465, 43078), (510, 39277), (527, 38010), (543, 36890), (595, 33666), (651, 30770), (714, 28055), (905, 22134), (930, 21539), (1054, 19005), (1085, 18462), (1086, 18445), (1190, 16833), (1267, 15810), (1302, 15385), (1581, 12670), (1785, 11222), (1810, 11067), (2170, 9231), (2534, 7905), (2635, 7602), (2715, 7378), (3077, 6510), (3162, 6335), (3255, 6154), (3570, 5611), (3689, 5430), (3801, 5270)]