20342608

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 49121856

約数和(自身を除く): 28779248

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 176, 187, 208, 221, 272, 286, 374, 442, 523, 572, 748, 884, 1046, 1144, 1496, 1768, 2092, 2288, 2431, 2992, 3536, 4184, 4862, 5753, 6799, 8368, 8891, 9724, 11506, 13598, 17782, 19448, 23012, 27196, 35564, 38896, 46024, 54392, 71128, 74789, 92048, 97801, 108784, 115583, 142256, 149578, 195602, 231166, 299156, 391204, 462332, 598312, 782408, 924664, 1196624, 1271413, 1564816, 1849328, 2542826, 5085652, 10171304, 20342608]

約数ペア:

[(1, 20342608), (2, 10171304), (4, 5085652), (8, 2542826), (11, 1849328), (13, 1564816), (16, 1271413), (17, 1196624), (22, 924664), (26, 782408), (34, 598312), (44, 462332), (52, 391204), (68, 299156), (88, 231166), (104, 195602), (136, 149578), (143, 142256), (176, 115583), (187, 108784), (208, 97801), (221, 92048), (272, 74789), (286, 71128), (374, 54392), (442, 46024), (523, 38896), (572, 35564), (748, 27196), (884, 23012), (1046, 19448), (1144, 17782), (1496, 13598), (1768, 11506), (2092, 9724), (2288, 8891), (2431, 8368), (2992, 6799), (3536, 5753), (4184, 4862)]