20228368

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2399}}^1$

素因数の和:2455

約数の個数: 40

約数和(自身を含む): 42854400

約数和(自身を除く): 22626032

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 2399, 4216, 4798, 8432, 9596, 19192, 38384, 40783, 74369, 81566, 148738, 163132, 297476, 326264, 594952, 652528, 1189904, 1264273, 2528546, 5057092, 10114184, 20228368]

約数ペア:

[(1, 20228368), (2, 10114184), (4, 5057092), (8, 2528546), (16, 1264273), (17, 1189904), (31, 652528), (34, 594952), (62, 326264), (68, 297476), (124, 163132), (136, 148738), (248, 81566), (272, 74369), (496, 40783), (527, 38384), (1054, 19192), (2108, 9596), (2399, 8432), (4216, 4798)]