20142688

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:695

約数の個数: 48

約数和(自身を含む): 42747264

約数和(自身を除く): 22604576

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 68, 122, 136, 244, 272, 488, 544, 607, 976, 1037, 1214, 1952, 2074, 2428, 4148, 4856, 8296, 9712, 10319, 16592, 19424, 20638, 33184, 37027, 41276, 74054, 82552, 148108, 165104, 296216, 330208, 592432, 629459, 1184864, 1258918, 2517836, 5035672, 10071344, 20142688]

約数ペア:

[(1, 20142688), (2, 10071344), (4, 5035672), (8, 2517836), (16, 1258918), (17, 1184864), (32, 629459), (34, 592432), (61, 330208), (68, 296216), (122, 165104), (136, 148108), (244, 82552), (272, 74054), (488, 41276), (544, 37027), (607, 33184), (976, 20638), (1037, 19424), (1214, 16592), (1952, 10319), (2074, 9712), (2428, 8296), (4148, 4856)]