20161330254

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{210659}}^1$

素因数の和:211089

約数の個数: 48

約数和(自身を含む): 47158347600

約数和(自身を除く): 26997017346

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 409, 818, 1227, 2454, 3681, 5317, 7362, 10634, 15951, 31902, 47853, 95706, 210659, 421318, 631977, 1263954, 1895931, 2738567, 3791862, 5477134, 8215701, 16431402, 24647103, 49294206, 86159531, 172319062, 258478593, 516957186, 775435779, 1120073903, 1550871558, 2240147806, 3360221709, 6720443418, 10080665127, 20161330254]

約数ペア:

[(1, 20161330254), (2, 10080665127), (3, 6720443418), (6, 3360221709), (9, 2240147806), (13, 1550871558), (18, 1120073903), (26, 775435779), (39, 516957186), (78, 258478593), (117, 172319062), (234, 86159531), (409, 49294206), (818, 24647103), (1227, 16431402), (2454, 8215701), (3681, 5477134), (5317, 3791862), (7362, 2738567), (10634, 1895931), (15951, 1263954), (31902, 631977), (47853, 421318), (95706, 210659)]