20923532

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 23892148

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 113, 119, 226, 238, 389, 452, 476, 778, 791, 1556, 1582, 1921, 2723, 3164, 3842, 5446, 6613, 7684, 10892, 13226, 13447, 26452, 26894, 43957, 46291, 53788, 87914, 92582, 175828, 185164, 307699, 615398, 747269, 1230796, 1494538, 2989076, 5230883, 10461766, 20923532]

約数ペア:

[(1, 20923532), (2, 10461766), (4, 5230883), (7, 2989076), (14, 1494538), (17, 1230796), (28, 747269), (34, 615398), (68, 307699), (113, 185164), (119, 175828), (226, 92582), (238, 87914), (389, 53788), (452, 46291), (476, 43957), (778, 26894), (791, 26452), (1556, 13447), (1582, 13226), (1921, 10892), (2723, 7684), (3164, 6613), (3842, 5446)]