20490304

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:575

約数の個数: 56

約数和(自身を含む): 44302680

約数和(自身を除く): 23812376

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 64, 68, 74, 136, 148, 272, 296, 509, 544, 592, 629, 1018, 1088, 1184, 1258, 2036, 2368, 2516, 4072, 5032, 8144, 8653, 10064, 16288, 17306, 18833, 20128, 32576, 34612, 37666, 40256, 69224, 75332, 138448, 150664, 276896, 301328, 320161, 553792, 602656, 640322, 1205312, 1280644, 2561288, 5122576, 10245152, 20490304]

約数ペア:

[(1, 20490304), (2, 10245152), (4, 5122576), (8, 2561288), (16, 1280644), (17, 1205312), (32, 640322), (34, 602656), (37, 553792), (64, 320161), (68, 301328), (74, 276896), (136, 150664), (148, 138448), (272, 75332), (296, 69224), (509, 40256), (544, 37666), (592, 34612), (629, 32576), (1018, 20128), (1088, 18833), (1184, 17306), (1258, 16288), (2036, 10064), (2368, 8653), (2516, 8144), (4072, 5032)]