20626486564

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{49991}}^1$

素因数の和:50164

約数の個数: 48

約数和(自身を含む): 39053750400

約数和(自身を除く): 18427263836

約数列:

[1, 2, 4, 19, 38, 61, 76, 89, 122, 178, 244, 356, 1159, 1691, 2318, 3382, 4636, 5429, 6764, 10858, 21716, 49991, 99982, 103151, 199964, 206302, 412604, 949829, 1899658, 3049451, 3799316, 4449199, 6098902, 8898398, 12197804, 17796796, 57939569, 84534781, 115879138, 169069562, 231758276, 271401139, 338139124, 542802278, 1085604556, 5156621641, 10313243282, 20626486564]

約数ペア:

[(1, 20626486564), (2, 10313243282), (4, 5156621641), (19, 1085604556), (38, 542802278), (61, 338139124), (76, 271401139), (89, 231758276), (122, 169069562), (178, 115879138), (244, 84534781), (356, 57939569), (1159, 17796796), (1691, 12197804), (2318, 8898398), (3382, 6098902), (4636, 4449199), (5429, 3799316), (6764, 3049451), (10858, 1899658), (21716, 949829), (49991, 412604), (99982, 206302), (103151, 199964)]