20712090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:244

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 41495910

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 29, 30, 35, 38, 42, 57, 58, 70, 87, 95, 105, 114, 133, 145, 174, 179, 190, 203, 210, 266, 285, 290, 358, 399, 406, 435, 537, 551, 570, 609, 665, 798, 870, 895, 1015, 1074, 1102, 1218, 1253, 1330, 1653, 1790, 1995, 2030, 2506, 2685, 2755, 3045, 3306, 3401, 3759, 3857, 3990, 5191, 5370, 5510, 6090, 6265, 6802, 7518, 7714, 8265, 10203, 10382, 11571, 12530, 15573, 16530, 17005, 18795, 19285, 20406, 23142, 23807, 25955, 31146, 34010, 36337, 37590, 38570, 47614, 51015, 51910, 57855, 71421, 72674, 77865, 98629, 102030, 109011, 115710, 119035, 142842, 155730, 181685, 197258, 218022, 238070, 295887, 357105, 363370, 493145, 545055, 591774, 690403, 714210, 986290, 1090110, 1380806, 1479435, 2071209, 2958870, 3452015, 4142418, 6904030, 10356045, 20712090]

約数ペア:

[(1, 20712090), (2, 10356045), (3, 6904030), (5, 4142418), (6, 3452015), (7, 2958870), (10, 2071209), (14, 1479435), (15, 1380806), (19, 1090110), (21, 986290), (29, 714210), (30, 690403), (35, 591774), (38, 545055), (42, 493145), (57, 363370), (58, 357105), (70, 295887), (87, 238070), (95, 218022), (105, 197258), (114, 181685), (133, 155730), (145, 142842), (174, 119035), (179, 115710), (190, 109011), (203, 102030), (210, 98629), (266, 77865), (285, 72674), (290, 71421), (358, 57855), (399, 51910), (406, 51015), (435, 47614), (537, 38570), (551, 37590), (570, 36337), (609, 34010), (665, 31146), (798, 25955), (870, 23807), (895, 23142), (1015, 20406), (1074, 19285), (1102, 18795), (1218, 17005), (1253, 16530), (1330, 15573), (1653, 12530), (1790, 11571), (1995, 10382), (2030, 10203), (2506, 8265), (2685, 7714), (2755, 7518), (3045, 6802), (3306, 6265), (3401, 6090), (3759, 5510), (3857, 5370), (3990, 5191)]