20147758120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1\times {\mathrm{3413}}^1$

素因数の和:4187

約数の個数: 128

約数和(自身を含む): 53684467200

約数和(自身を除く): 33536709080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 727, 812, 1015, 1160, 1454, 1624, 2030, 2908, 3413, 3635, 4060, 5089, 5816, 6826, 7270, 8120, 10178, 13652, 14540, 17065, 20356, 21083, 23891, 25445, 27304, 29080, 34130, 40712, 42166, 47782, 50890, 68260, 84332, 95564, 98977, 101780, 105415, 119455, 136520, 147581, 168664, 191128, 197954, 203560, 210830, 238910, 295162, 395908, 421660, 477820, 494885, 590324, 692839, 737905, 791816, 843320, 955640, 989770, 1180648, 1385678, 1475810, 1979540, 2481251, 2771356, 2951620, 3464195, 3959080, 4962502, 5542712, 5903240, 6928390, 9925004, 12406255, 13856780, 17368757, 19850008, 24812510, 27713560, 34737514, 49625020, 69475028, 71956279, 86843785, 99250040, 138950056, 143912558, 173687570, 287825116, 347375140, 359781395, 503693953, 575650232, 694750280, 719562790, 1007387906, 1439125580, 2014775812, 2518469765, 2878251160, 4029551624, 5036939530, 10073879060, 20147758120]

約数ペア:

[(1, 20147758120), (2, 10073879060), (4, 5036939530), (5, 4029551624), (7, 2878251160), (8, 2518469765), (10, 2014775812), (14, 1439125580), (20, 1007387906), (28, 719562790), (29, 694750280), (35, 575650232), (40, 503693953), (56, 359781395), (58, 347375140), (70, 287825116), (116, 173687570), (140, 143912558), (145, 138950056), (203, 99250040), (232, 86843785), (280, 71956279), (290, 69475028), (406, 49625020), (580, 34737514), (727, 27713560), (812, 24812510), (1015, 19850008), (1160, 17368757), (1454, 13856780), (1624, 12406255), (2030, 9925004), (2908, 6928390), (3413, 5903240), (3635, 5542712), (4060, 4962502), (5089, 3959080), (5816, 3464195), (6826, 2951620), (7270, 2771356), (8120, 2481251), (10178, 1979540), (13652, 1475810), (14540, 1385678), (17065, 1180648), (20356, 989770), (21083, 955640), (23891, 843320), (25445, 791816), (27304, 737905), (29080, 692839), (34130, 590324), (40712, 494885), (42166, 477820), (47782, 421660), (50890, 395908), (68260, 295162), (84332, 238910), (95564, 210830), (98977, 203560), (101780, 197954), (105415, 191128), (119455, 168664), (136520, 147581)]