20512710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 59875200

約数和(自身を除く): 39362490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 41, 45, 51, 54, 82, 85, 90, 102, 109, 123, 135, 153, 170, 205, 218, 246, 255, 270, 306, 327, 369, 410, 459, 510, 545, 615, 654, 697, 738, 765, 918, 981, 1090, 1107, 1230, 1394, 1530, 1635, 1845, 1853, 1962, 2091, 2214, 2295, 2943, 3270, 3485, 3690, 3706, 4182, 4469, 4590, 4905, 5535, 5559, 5886, 6273, 6970, 8938, 9265, 9810, 10455, 11070, 11118, 12546, 13407, 14715, 16677, 18530, 18819, 20910, 22345, 26814, 27795, 29430, 31365, 33354, 37638, 40221, 44690, 50031, 55590, 62730, 67035, 75973, 80442, 83385, 94095, 100062, 120663, 134070, 151946, 166770, 188190, 201105, 227919, 241326, 250155, 379865, 402210, 455838, 500310, 603315, 683757, 759730, 1139595, 1206630, 1367514, 2051271, 2279190, 3418785, 4102542, 6837570, 10256355, 20512710]

約数ペア:

[(1, 20512710), (2, 10256355), (3, 6837570), (5, 4102542), (6, 3418785), (9, 2279190), (10, 2051271), (15, 1367514), (17, 1206630), (18, 1139595), (27, 759730), (30, 683757), (34, 603315), (41, 500310), (45, 455838), (51, 402210), (54, 379865), (82, 250155), (85, 241326), (90, 227919), (102, 201105), (109, 188190), (123, 166770), (135, 151946), (153, 134070), (170, 120663), (205, 100062), (218, 94095), (246, 83385), (255, 80442), (270, 75973), (306, 67035), (327, 62730), (369, 55590), (410, 50031), (459, 44690), (510, 40221), (545, 37638), (615, 33354), (654, 31365), (697, 29430), (738, 27795), (765, 26814), (918, 22345), (981, 20910), (1090, 18819), (1107, 18530), (1230, 16677), (1394, 14715), (1530, 13407), (1635, 12546), (1845, 11118), (1853, 11070), (1962, 10455), (2091, 9810), (2214, 9265), (2295, 8938), (2943, 6970), (3270, 6273), (3485, 5886), (3690, 5559), (3706, 5535), (4182, 4905), (4469, 4590)]