20411248

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:854

約数の個数: 60

約数和(自身を含む): 46870264

約数和(自身を除く): 26459016

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 121, 143, 176, 208, 242, 286, 484, 572, 811, 968, 1144, 1573, 1622, 1936, 2288, 3146, 3244, 6292, 6488, 8921, 10543, 12584, 12976, 17842, 21086, 25168, 35684, 42172, 71368, 84344, 98131, 115973, 142736, 168688, 196262, 231946, 392524, 463892, 785048, 927784, 1275703, 1570096, 1855568, 2551406, 5102812, 10205624, 20411248]

約数ペア:

[(1, 20411248), (2, 10205624), (4, 5102812), (8, 2551406), (11, 1855568), (13, 1570096), (16, 1275703), (22, 927784), (26, 785048), (44, 463892), (52, 392524), (88, 231946), (104, 196262), (121, 168688), (143, 142736), (176, 115973), (208, 98131), (242, 84344), (286, 71368), (484, 42172), (572, 35684), (811, 25168), (968, 21086), (1144, 17842), (1573, 12976), (1622, 12584), (1936, 10543), (2288, 8921), (3146, 6488), (3244, 6292)]