20042015420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{105031}}^1$

素因数の和:105123

約数の個数: 96

約数和(自身を含む): 50818682880

約数和(自身を除く): 30776667460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 47, 58, 70, 94, 116, 140, 145, 188, 203, 235, 290, 329, 406, 470, 580, 658, 812, 940, 1015, 1316, 1363, 1645, 2030, 2726, 3290, 4060, 5452, 6580, 6815, 9541, 13630, 19082, 27260, 38164, 47705, 95410, 105031, 190820, 210062, 420124, 525155, 735217, 1050310, 1470434, 2100620, 2940868, 3045899, 3676085, 4936457, 6091798, 7352170, 9872914, 12183596, 14704340, 15229495, 19745828, 21321293, 24682285, 30458990, 34555199, 42642586, 49364570, 60917980, 69110398, 85285172, 98729140, 106606465, 138220796, 143157253, 172775995, 213212930, 286314506, 345551990, 426425860, 572629012, 691103980, 715786265, 1002100771, 1431572530, 2004201542, 2863145060, 4008403084, 5010503855, 10021007710, 20042015420]

約数ペア:

[(1, 20042015420), (2, 10021007710), (4, 5010503855), (5, 4008403084), (7, 2863145060), (10, 2004201542), (14, 1431572530), (20, 1002100771), (28, 715786265), (29, 691103980), (35, 572629012), (47, 426425860), (58, 345551990), (70, 286314506), (94, 213212930), (116, 172775995), (140, 143157253), (145, 138220796), (188, 106606465), (203, 98729140), (235, 85285172), (290, 69110398), (329, 60917980), (406, 49364570), (470, 42642586), (580, 34555199), (658, 30458990), (812, 24682285), (940, 21321293), (1015, 19745828), (1316, 15229495), (1363, 14704340), (1645, 12183596), (2030, 9872914), (2726, 7352170), (3290, 6091798), (4060, 4936457), (5452, 3676085), (6580, 3045899), (6815, 2940868), (9541, 2100620), (13630, 1470434), (19082, 1050310), (27260, 735217), (38164, 525155), (47705, 420124), (95410, 210062), (105031, 190820)]