20088016

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:93

約数の個数: 120

約数和(自身を含む): 49014720

約数和(自身を除く): 28926704

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 23, 26, 34, 38, 46, 52, 68, 76, 92, 104, 136, 152, 169, 184, 208, 221, 247, 272, 299, 304, 323, 338, 368, 391, 437, 442, 494, 598, 646, 676, 782, 874, 884, 988, 1196, 1292, 1352, 1564, 1748, 1768, 1976, 2392, 2584, 2704, 2873, 3128, 3211, 3496, 3536, 3887, 3952, 4199, 4784, 5083, 5168, 5681, 5746, 6256, 6422, 6992, 7429, 7774, 8398, 10166, 11362, 11492, 12844, 14858, 15548, 16796, 20332, 22724, 22984, 25688, 29716, 31096, 33592, 40664, 45448, 45968, 51376, 54587, 59432, 62192, 66079, 67184, 73853, 81328, 90896, 96577, 109174, 118864, 132158, 147706, 193154, 218348, 264316, 295412, 386308, 436696, 528632, 590824, 772616, 873392, 1057264, 1181648, 1255501, 1545232, 2511002, 5022004, 10044008, 20088016]

約数ペア:

[(1, 20088016), (2, 10044008), (4, 5022004), (8, 2511002), (13, 1545232), (16, 1255501), (17, 1181648), (19, 1057264), (23, 873392), (26, 772616), (34, 590824), (38, 528632), (46, 436696), (52, 386308), (68, 295412), (76, 264316), (92, 218348), (104, 193154), (136, 147706), (152, 132158), (169, 118864), (184, 109174), (208, 96577), (221, 90896), (247, 81328), (272, 73853), (299, 67184), (304, 66079), (323, 62192), (338, 59432), (368, 54587), (391, 51376), (437, 45968), (442, 45448), (494, 40664), (598, 33592), (646, 31096), (676, 29716), (782, 25688), (874, 22984), (884, 22724), (988, 20332), (1196, 16796), (1292, 15548), (1352, 14858), (1564, 12844), (1748, 11492), (1768, 11362), (1976, 10166), (2392, 8398), (2584, 7774), (2704, 7429), (2873, 6992), (3128, 6422), (3211, 6256), (3496, 5746), (3536, 5681), (3887, 5168), (3952, 5083), (4199, 4784)]