20161444984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1\times {\mathrm{2069}}^1$

素因数の和:2752

約数の個数: 64

約数和(自身を含む): 40415176800

約数和(自身を除く): 20253731816

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137, 274, 523, 548, 1046, 1096, 2069, 2092, 2329, 4138, 4184, 4658, 8276, 8891, 9316, 16552, 17782, 18632, 35173, 35564, 70346, 71128, 71651, 140692, 143302, 281384, 283453, 286604, 566906, 573208, 1082087, 1133812, 1218067, 2164174, 2267624, 2436134, 4328348, 4818701, 4872268, 8656696, 9637402, 9744536, 18395479, 19274804, 36790958, 38549608, 73581916, 147163832, 148245919, 296491838, 592983676, 1185967352, 2520180623, 5040361246, 10080722492, 20161444984]

約数ペア:

[(1, 20161444984), (2, 10080722492), (4, 5040361246), (8, 2520180623), (17, 1185967352), (34, 592983676), (68, 296491838), (136, 148245919), (137, 147163832), (274, 73581916), (523, 38549608), (548, 36790958), (1046, 19274804), (1096, 18395479), (2069, 9744536), (2092, 9637402), (2329, 8656696), (4138, 4872268), (4184, 4818701), (4658, 4328348), (8276, 2436134), (8891, 2267624), (9316, 2164174), (16552, 1218067), (17782, 1133812), (18632, 1082087), (35173, 573208), (35564, 566906), (70346, 286604), (71128, 283453), (71651, 281384), (140692, 143302)]