20343721140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1\times {\mathrm{2719}}^1$

素因数の和:3142

約数の個数: 144

約数和(自身を含む): 62339397120

約数和(自身を除く): 41995675980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 211, 394, 422, 591, 633, 788, 844, 985, 1055, 1182, 1266, 1773, 1899, 1970, 2110, 2364, 2532, 2719, 2955, 3165, 3546, 3798, 3940, 4220, 5438, 5910, 6330, 7092, 7596, 8157, 8865, 9495, 10876, 11820, 12660, 13595, 16314, 17730, 18990, 24471, 27190, 32628, 35460, 37980, 40785, 41567, 48942, 54380, 81570, 83134, 97884, 122355, 124701, 163140, 166268, 207835, 244710, 249402, 374103, 415670, 489420, 498804, 535643, 573709, 623505, 748206, 831340, 1071286, 1147418, 1247010, 1496412, 1606929, 1721127, 1870515, 2142572, 2294836, 2494020, 2678215, 2868545, 3213858, 3442254, 3741030, 4820787, 5163381, 5356430, 5737090, 6427716, 6884508, 7482060, 8034645, 8605635, 9641574, 10326762, 10712860, 11474180, 16069290, 17211270, 19283148, 20653524, 24103935, 25816905, 32138580, 34422540, 48207870, 51633810, 96415740, 103267620, 113020673, 226041346, 339062019, 452082692, 565103365, 678124038, 1017186057, 1130206730, 1356248076, 1695310095, 2034372114, 2260413460, 3390620190, 4068744228, 5085930285, 6781240380, 10171860570, 20343721140]

約数ペア:

[(1, 20343721140), (2, 10171860570), (3, 6781240380), (4, 5085930285), (5, 4068744228), (6, 3390620190), (9, 2260413460), (10, 2034372114), (12, 1695310095), (15, 1356248076), (18, 1130206730), (20, 1017186057), (30, 678124038), (36, 565103365), (45, 452082692), (60, 339062019), (90, 226041346), (180, 113020673), (197, 103267620), (211, 96415740), (394, 51633810), (422, 48207870), (591, 34422540), (633, 32138580), (788, 25816905), (844, 24103935), (985, 20653524), (1055, 19283148), (1182, 17211270), (1266, 16069290), (1773, 11474180), (1899, 10712860), (1970, 10326762), (2110, 9641574), (2364, 8605635), (2532, 8034645), (2719, 7482060), (2955, 6884508), (3165, 6427716), (3546, 5737090), (3798, 5356430), (3940, 5163381), (4220, 4820787), (5438, 3741030), (5910, 3442254), (6330, 3213858), (7092, 2868545), (7596, 2678215), (8157, 2494020), (8865, 2294836), (9495, 2142572), (10876, 1870515), (11820, 1721127), (12660, 1606929), (13595, 1496412), (16314, 1247010), (17730, 1147418), (18990, 1071286), (24471, 831340), (27190, 748206), (32628, 623505), (35460, 573709), (37980, 535643), (40785, 498804), (41567, 489420), (48942, 415670), (54380, 374103), (81570, 249402), (83134, 244710), (97884, 207835), (122355, 166268), (124701, 163140)]