20753320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 37307480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 47, 56, 70, 76, 83, 94, 95, 133, 140, 152, 166, 188, 190, 235, 266, 280, 329, 332, 376, 380, 415, 470, 532, 581, 658, 664, 665, 760, 830, 893, 940, 1064, 1162, 1316, 1330, 1577, 1645, 1660, 1786, 1880, 2324, 2632, 2660, 2905, 3154, 3290, 3320, 3572, 3901, 4465, 4648, 5320, 5810, 6251, 6308, 6580, 7144, 7802, 7885, 8930, 11039, 11620, 12502, 12616, 13160, 15604, 15770, 17860, 19505, 22078, 23240, 25004, 27307, 31208, 31255, 31540, 35720, 39010, 44156, 50008, 54614, 55195, 62510, 63080, 74119, 78020, 88312, 109228, 110390, 125020, 136535, 148238, 156040, 218456, 220780, 250040, 273070, 296476, 370595, 441560, 518833, 546140, 592952, 741190, 1037666, 1092280, 1482380, 2075332, 2594165, 2964760, 4150664, 5188330, 10376660, 20753320]

約数ペア:

[(1, 20753320), (2, 10376660), (4, 5188330), (5, 4150664), (7, 2964760), (8, 2594165), (10, 2075332), (14, 1482380), (19, 1092280), (20, 1037666), (28, 741190), (35, 592952), (38, 546140), (40, 518833), (47, 441560), (56, 370595), (70, 296476), (76, 273070), (83, 250040), (94, 220780), (95, 218456), (133, 156040), (140, 148238), (152, 136535), (166, 125020), (188, 110390), (190, 109228), (235, 88312), (266, 78020), (280, 74119), (329, 63080), (332, 62510), (376, 55195), (380, 54614), (415, 50008), (470, 44156), (532, 39010), (581, 35720), (658, 31540), (664, 31255), (665, 31208), (760, 27307), (830, 25004), (893, 23240), (940, 22078), (1064, 19505), (1162, 17860), (1316, 15770), (1330, 15604), (1577, 13160), (1645, 12616), (1660, 12502), (1786, 11620), (1880, 11039), (2324, 8930), (2632, 7885), (2660, 7802), (2905, 7144), (3154, 6580), (3290, 6308), (3320, 6251), (3572, 5810), (3901, 5320), (4465, 4648)]