20712144

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 56817792

約数和(自身を除く): 36105648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 73, 92, 138, 146, 184, 219, 257, 276, 292, 368, 438, 514, 552, 584, 771, 876, 1028, 1104, 1168, 1542, 1679, 1752, 2056, 3084, 3358, 3504, 4112, 5037, 5911, 6168, 6716, 10074, 11822, 12336, 13432, 17733, 18761, 20148, 23644, 26864, 35466, 37522, 40296, 47288, 56283, 70932, 75044, 80592, 94576, 112566, 141864, 150088, 225132, 283728, 300176, 431503, 450264, 863006, 900528, 1294509, 1726012, 2589018, 3452024, 5178036, 6904048, 10356072, 20712144]

約数ペア:

[(1, 20712144), (2, 10356072), (3, 6904048), (4, 5178036), (6, 3452024), (8, 2589018), (12, 1726012), (16, 1294509), (23, 900528), (24, 863006), (46, 450264), (48, 431503), (69, 300176), (73, 283728), (92, 225132), (138, 150088), (146, 141864), (184, 112566), (219, 94576), (257, 80592), (276, 75044), (292, 70932), (368, 56283), (438, 47288), (514, 40296), (552, 37522), (584, 35466), (771, 26864), (876, 23644), (1028, 20148), (1104, 18761), (1168, 17733), (1542, 13432), (1679, 12336), (1752, 11822), (2056, 10074), (3084, 6716), (3358, 6168), (3504, 5911), (4112, 5037)]