2020256520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{8819}}^1$

素因数の和:8939

約数の個数: 128

約数和(自身を含む): 6401203200

約数和(自身を除く): 4380946680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 83, 92, 115, 120, 138, 166, 184, 230, 249, 276, 332, 345, 415, 460, 498, 552, 664, 690, 830, 920, 996, 1245, 1380, 1660, 1909, 1992, 2490, 2760, 3320, 3818, 4980, 5727, 7636, 8819, 9545, 9960, 11454, 15272, 17638, 19090, 22908, 26457, 28635, 35276, 38180, 44095, 45816, 52914, 57270, 70552, 76360, 88190, 105828, 114540, 132285, 176380, 202837, 211656, 229080, 264570, 352760, 405674, 529140, 608511, 731977, 811348, 1014185, 1058280, 1217022, 1463954, 1622696, 2028370, 2195931, 2434044, 2927908, 3042555, 3659885, 4056740, 4391862, 4868088, 5855816, 6085110, 7319770, 8113480, 8783724, 10979655, 12170220, 14639540, 16835471, 17567448, 21959310, 24340440, 29279080, 33670942, 43918620, 50506413, 67341884, 84177355, 87837240, 101012826, 134683768, 168354710, 202025652, 252532065, 336709420, 404051304, 505064130, 673418840, 1010128260, 2020256520]

約数ペア:

[(1, 2020256520), (2, 1010128260), (3, 673418840), (4, 505064130), (5, 404051304), (6, 336709420), (8, 252532065), (10, 202025652), (12, 168354710), (15, 134683768), (20, 101012826), (23, 87837240), (24, 84177355), (30, 67341884), (40, 50506413), (46, 43918620), (60, 33670942), (69, 29279080), (83, 24340440), (92, 21959310), (115, 17567448), (120, 16835471), (138, 14639540), (166, 12170220), (184, 10979655), (230, 8783724), (249, 8113480), (276, 7319770), (332, 6085110), (345, 5855816), (415, 4868088), (460, 4391862), (498, 4056740), (552, 3659885), (664, 3042555), (690, 2927908), (830, 2434044), (920, 2195931), (996, 2028370), (1245, 1622696), (1380, 1463954), (1660, 1217022), (1909, 1058280), (1992, 1014185), (2490, 811348), (2760, 731977), (3320, 608511), (3818, 529140), (4980, 405674), (5727, 352760), (7636, 264570), (8819, 229080), (9545, 211656), (9960, 202837), (11454, 176380), (15272, 132285), (17638, 114540), (19090, 105828), (22908, 88190), (26457, 76360), (28635, 70552), (35276, 57270), (38180, 52914), (44095, 45816)]