20472896

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:667

約数の個数: 56

約数和(自身を含む): 44476416

約数和(自身を除く): 24003520

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 136, 248, 272, 496, 527, 544, 607, 992, 1054, 1088, 1214, 1984, 2108, 2428, 4216, 4856, 8432, 9712, 10319, 16864, 18817, 19424, 20638, 33728, 37634, 38848, 41276, 75268, 82552, 150536, 165104, 301072, 319889, 330208, 602144, 639778, 660416, 1204288, 1279556, 2559112, 5118224, 10236448, 20472896]

約数ペア:

[(1, 20472896), (2, 10236448), (4, 5118224), (8, 2559112), (16, 1279556), (17, 1204288), (31, 660416), (32, 639778), (34, 602144), (62, 330208), (64, 319889), (68, 301072), (124, 165104), (136, 150536), (248, 82552), (272, 75268), (496, 41276), (527, 38848), (544, 37634), (607, 33728), (992, 20638), (1054, 19424), (1088, 18817), (1214, 16864), (1984, 10319), (2108, 9712), (2428, 8432), (4216, 4856)]