20148656

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{479}}^1$

素因数の和:737

約数の個数: 40

約数和(自身を含む): 42854400

約数和(自身を除く): 22705744

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 239, 478, 479, 956, 958, 1912, 1916, 2629, 3824, 3832, 5258, 5269, 7664, 10516, 10538, 21032, 21076, 42064, 42152, 84304, 114481, 228962, 457924, 915848, 1259291, 1831696, 2518582, 5037164, 10074328, 20148656]

約数ペア:

[(1, 20148656), (2, 10074328), (4, 5037164), (8, 2518582), (11, 1831696), (16, 1259291), (22, 915848), (44, 457924), (88, 228962), (176, 114481), (239, 84304), (478, 42152), (479, 42064), (956, 21076), (958, 21032), (1912, 10538), (1916, 10516), (2629, 7664), (3824, 5269), (3832, 5258)]