20143136

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1181}}^1$

素因数の和:1245

約数の個数: 48

約数和(自身を含む): 43786008

約数和(自身を除く): 23642872

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 104, 164, 208, 328, 416, 533, 656, 1066, 1181, 1312, 2132, 2362, 4264, 4724, 8528, 9448, 15353, 17056, 18896, 30706, 37792, 48421, 61412, 96842, 122824, 193684, 245648, 387368, 491296, 629473, 774736, 1258946, 1549472, 2517892, 5035784, 10071568, 20143136]

約数ペア:

[(1, 20143136), (2, 10071568), (4, 5035784), (8, 2517892), (13, 1549472), (16, 1258946), (26, 774736), (32, 629473), (41, 491296), (52, 387368), (82, 245648), (104, 193684), (164, 122824), (208, 96842), (328, 61412), (416, 48421), (533, 37792), (656, 30706), (1066, 18896), (1181, 17056), (1312, 15353), (2132, 9448), (2362, 8528), (4264, 4724)]