20147681428

素因数分解:

$2^2\times 7^3\times {\mathrm{73}}^1\times {\mathrm{201163}}^1$

素因数の和:201261

約数の個数: 48

約数和(自身を含む): 41681180800

約数和(自身を除く): 21533499372

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 98, 146, 196, 292, 343, 511, 686, 1022, 1372, 2044, 3577, 7154, 14308, 25039, 50078, 100156, 201163, 402326, 804652, 1408141, 2816282, 5632564, 9856987, 14684899, 19713974, 29369798, 39427948, 58739596, 68998909, 102794293, 137997818, 205588586, 275995636, 411177172, 719560051, 1439120102, 2878240204, 5036920357, 10073840714, 20147681428]

約数ペア:

[(1, 20147681428), (2, 10073840714), (4, 5036920357), (7, 2878240204), (14, 1439120102), (28, 719560051), (49, 411177172), (73, 275995636), (98, 205588586), (146, 137997818), (196, 102794293), (292, 68998909), (343, 58739596), (511, 39427948), (686, 29369798), (1022, 19713974), (1372, 14684899), (2044, 9856987), (3577, 5632564), (7154, 2816282), (14308, 1408141), (25039, 804652), (50078, 402326), (100156, 201163)]