20142675

素因数分解:

$3^4\times 5^2\times 7^3\times {\mathrm{29}}^1$

素因数の和:72

約数の個数: 120

約数和(自身を含む): 45012000

約数和(自身を除く): 24869325

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 29, 35, 45, 49, 63, 75, 81, 87, 105, 135, 145, 147, 175, 189, 203, 225, 245, 261, 315, 343, 405, 435, 441, 525, 567, 609, 675, 725, 735, 783, 945, 1015, 1029, 1225, 1305, 1323, 1421, 1575, 1715, 1827, 2025, 2175, 2205, 2349, 2835, 3045, 3087, 3675, 3915, 3969, 4263, 4725, 5075, 5145, 5481, 6525, 6615, 7105, 8575, 9135, 9261, 9947, 11025, 11745, 12789, 14175, 15225, 15435, 16443, 19575, 19845, 21315, 25725, 27405, 27783, 29841, 33075, 35525, 38367, 45675, 46305, 49735, 58725, 63945, 77175, 82215, 89523, 99225, 106575, 115101, 137025, 138915, 149205, 191835, 231525, 248675, 268569, 319725, 411075, 447615, 575505, 694575, 746025, 805707, 959175, 1342845, 2238075, 2877525, 4028535, 6714225, 20142675]

約数ペア:

[(1, 20142675), (3, 6714225), (5, 4028535), (7, 2877525), (9, 2238075), (15, 1342845), (21, 959175), (25, 805707), (27, 746025), (29, 694575), (35, 575505), (45, 447615), (49, 411075), (63, 319725), (75, 268569), (81, 248675), (87, 231525), (105, 191835), (135, 149205), (145, 138915), (147, 137025), (175, 115101), (189, 106575), (203, 99225), (225, 89523), (245, 82215), (261, 77175), (315, 63945), (343, 58725), (405, 49735), (435, 46305), (441, 45675), (525, 38367), (567, 35525), (609, 33075), (675, 29841), (725, 27783), (735, 27405), (783, 25725), (945, 21315), (1015, 19845), (1029, 19575), (1225, 16443), (1305, 15435), (1323, 15225), (1421, 14175), (1575, 12789), (1715, 11745), (1827, 11025), (2025, 9947), (2175, 9261), (2205, 9135), (2349, 8575), (2835, 7105), (3045, 6615), (3087, 6525), (3675, 5481), (3915, 5145), (3969, 5075), (4263, 4725)]