20040450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:332

約数の個数: 96

約数和(自身を含む): 54639360

約数和(自身を除く): 34598910

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 29, 30, 34, 50, 51, 58, 75, 85, 87, 102, 145, 150, 170, 174, 255, 271, 290, 425, 435, 493, 510, 542, 725, 813, 850, 870, 986, 1275, 1355, 1450, 1479, 1626, 2175, 2465, 2550, 2710, 2958, 4065, 4350, 4607, 4930, 6775, 7395, 7859, 8130, 9214, 12325, 13550, 13821, 14790, 15718, 20325, 23035, 23577, 24650, 27642, 36975, 39295, 40650, 46070, 47154, 69105, 73950, 78590, 115175, 117885, 133603, 138210, 196475, 230350, 235770, 267206, 345525, 392950, 400809, 589425, 668015, 691050, 801618, 1178850, 1336030, 2004045, 3340075, 4008090, 6680150, 10020225, 20040450]

約数ペア:

[(1, 20040450), (2, 10020225), (3, 6680150), (5, 4008090), (6, 3340075), (10, 2004045), (15, 1336030), (17, 1178850), (25, 801618), (29, 691050), (30, 668015), (34, 589425), (50, 400809), (51, 392950), (58, 345525), (75, 267206), (85, 235770), (87, 230350), (102, 196475), (145, 138210), (150, 133603), (170, 117885), (174, 115175), (255, 78590), (271, 73950), (290, 69105), (425, 47154), (435, 46070), (493, 40650), (510, 39295), (542, 36975), (725, 27642), (813, 24650), (850, 23577), (870, 23035), (986, 20325), (1275, 15718), (1355, 14790), (1450, 13821), (1479, 13550), (1626, 12325), (2175, 9214), (2465, 8130), (2550, 7859), (2710, 7395), (2958, 6775), (4065, 4930), (4350, 4607)]