20474324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 45722880

約数和(自身を除く): 25248556

約数列:

[1, 2, 4, 13, 17, 19, 23, 26, 34, 38, 46, 52, 53, 68, 76, 92, 106, 212, 221, 247, 299, 323, 391, 437, 442, 494, 598, 646, 689, 782, 874, 884, 901, 988, 1007, 1196, 1219, 1292, 1378, 1564, 1748, 1802, 2014, 2438, 2756, 3604, 4028, 4199, 4876, 5083, 5681, 7429, 8398, 10166, 11362, 11713, 13091, 14858, 15847, 16796, 17119, 20332, 20723, 22724, 23161, 23426, 26182, 29716, 31694, 34238, 41446, 46322, 46852, 52364, 63388, 68476, 82892, 92644, 96577, 193154, 222547, 269399, 301093, 386308, 393737, 445094, 538798, 602186, 787474, 890188, 1077596, 1204372, 1574948, 5118581, 10237162, 20474324]

約数ペア:

[(1, 20474324), (2, 10237162), (4, 5118581), (13, 1574948), (17, 1204372), (19, 1077596), (23, 890188), (26, 787474), (34, 602186), (38, 538798), (46, 445094), (52, 393737), (53, 386308), (68, 301093), (76, 269399), (92, 222547), (106, 193154), (212, 96577), (221, 92644), (247, 82892), (299, 68476), (323, 63388), (391, 52364), (437, 46852), (442, 46322), (494, 41446), (598, 34238), (646, 31694), (689, 29716), (782, 26182), (874, 23426), (884, 23161), (901, 22724), (988, 20723), (1007, 20332), (1196, 17119), (1219, 16796), (1292, 15847), (1378, 14858), (1564, 13091), (1748, 11713), (1802, 11362), (2014, 10166), (2438, 8398), (2756, 7429), (3604, 5681), (4028, 5083), (4199, 4876)]