20392336

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:727

約数の個数: 40

約数和(自身を含む): 41515200

約数和(自身を除く): 21122864

約数列:

[1, 2, 4, 8, 16, 29, 58, 71, 116, 142, 232, 284, 464, 568, 619, 1136, 1238, 2059, 2476, 4118, 4952, 8236, 9904, 16472, 17951, 32944, 35902, 43949, 71804, 87898, 143608, 175796, 287216, 351592, 703184, 1274521, 2549042, 5098084, 10196168, 20392336]

約数ペア:

[(1, 20392336), (2, 10196168), (4, 5098084), (8, 2549042), (16, 1274521), (29, 703184), (58, 351592), (71, 287216), (116, 175796), (142, 143608), (232, 87898), (284, 71804), (464, 43949), (568, 35902), (619, 32944), (1136, 17951), (1238, 16472), (2059, 9904), (2476, 8236), (4118, 4952)]