20504224

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2143}}^1$

素因数の和:2189

約数の個数: 48

約数和(自身を含む): 45384192

約数和(自身を除く): 24879968

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 92, 104, 184, 208, 299, 368, 416, 598, 736, 1196, 2143, 2392, 4286, 4784, 8572, 9568, 17144, 27859, 34288, 49289, 55718, 68576, 98578, 111436, 197156, 222872, 394312, 445744, 640757, 788624, 891488, 1281514, 1577248, 2563028, 5126056, 10252112, 20504224]

約数ペア:

[(1, 20504224), (2, 10252112), (4, 5126056), (8, 2563028), (13, 1577248), (16, 1281514), (23, 891488), (26, 788624), (32, 640757), (46, 445744), (52, 394312), (92, 222872), (104, 197156), (184, 111436), (208, 98578), (299, 68576), (368, 55718), (416, 49289), (598, 34288), (736, 27859), (1196, 17144), (2143, 9568), (2392, 8572), (4286, 4784)]