20886064

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2477}}^1$

素因数の和:2533

約数の個数: 40

約数和(自身を含む): 44247168

約数和(自身を除く): 23361104

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 2477, 4216, 4954, 8432, 9908, 19816, 39632, 42109, 76787, 84218, 153574, 168436, 307148, 336872, 614296, 673744, 1228592, 1305379, 2610758, 5221516, 10443032, 20886064]

約数ペア:

[(1, 20886064), (2, 10443032), (4, 5221516), (8, 2610758), (16, 1305379), (17, 1228592), (31, 673744), (34, 614296), (62, 336872), (68, 307148), (124, 168436), (136, 153574), (248, 84218), (272, 76787), (496, 42109), (527, 39632), (1054, 19816), (2108, 9908), (2477, 8432), (4216, 4954)]