20000708

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2389}}^1$

素因数の和:2436

約数の個数: 48

約数和(自身を含む): 44970240

約数和(自身を除く): 24969532

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 182, 299, 322, 364, 598, 644, 1196, 2093, 2389, 4186, 4778, 8372, 9556, 16723, 31057, 33446, 54947, 62114, 66892, 109894, 124228, 217399, 219788, 384629, 434798, 714311, 769258, 869596, 1428622, 1538516, 2857244, 5000177, 10000354, 20000708]

約数ペア:

[(1, 20000708), (2, 10000354), (4, 5000177), (7, 2857244), (13, 1538516), (14, 1428622), (23, 869596), (26, 769258), (28, 714311), (46, 434798), (52, 384629), (91, 219788), (92, 217399), (161, 124228), (182, 109894), (299, 66892), (322, 62114), (364, 54947), (598, 33446), (644, 31057), (1196, 16723), (2093, 9556), (2389, 8372), (4186, 4778)]