20850296

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8069}}^1$

素因数の和:8111

約数の個数: 32

約数和(自身を含む): 43578000

約数和(自身を除く): 22727704

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 8069, 16138, 32276, 64552, 137173, 153311, 274346, 306622, 548692, 613244, 1097384, 1226488, 2606287, 5212574, 10425148, 20850296]

約数ペア:

[(1, 20850296), (2, 10425148), (4, 5212574), (8, 2606287), (17, 1226488), (19, 1097384), (34, 613244), (38, 548692), (68, 306622), (76, 274346), (136, 153311), (152, 137173), (323, 64552), (646, 32276), (1292, 16138), (2584, 8069)]