20219640064

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{357389}}^1$

素因数の和:357435

約数の個数: 72

約数和(自身を含む): 46021825080

約数和(自身を除く): 25802185016

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 416, 442, 544, 832, 884, 1088, 1664, 1768, 2176, 3328, 3536, 4352, 7072, 14144, 28288, 56576, 357389, 714778, 1429556, 2859112, 4646057, 5718224, 6075613, 9292114, 11436448, 12151226, 18584228, 22872896, 24302452, 37168456, 45745792, 48604904, 74336912, 78982969, 91491584, 97209808, 148673824, 157965938, 194419616, 297347648, 315931876, 388839232, 594695296, 631863752, 777678464, 1189390592, 1263727504, 1555356928, 2527455008, 5054910016, 10109820032, 20219640064]

約数ペア:

[(1, 20219640064), (2, 10109820032), (4, 5054910016), (8, 2527455008), (13, 1555356928), (16, 1263727504), (17, 1189390592), (26, 777678464), (32, 631863752), (34, 594695296), (52, 388839232), (64, 315931876), (68, 297347648), (104, 194419616), (128, 157965938), (136, 148673824), (208, 97209808), (221, 91491584), (256, 78982969), (272, 74336912), (416, 48604904), (442, 45745792), (544, 37168456), (832, 24302452), (884, 22872896), (1088, 18584228), (1664, 12151226), (1768, 11436448), (2176, 9292114), (3328, 6075613), (3536, 5718224), (4352, 4646057), (7072, 2859112), (14144, 1429556), (28288, 714778), (56576, 357389)]