20701376

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:441

約数の個数: 56

約数和(自身を含む): 44439840

約数和(自身を除く): 23738464

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 53, 64, 68, 106, 136, 212, 272, 359, 424, 544, 718, 848, 901, 1088, 1436, 1696, 1802, 2872, 3392, 3604, 5744, 6103, 7208, 11488, 12206, 14416, 19027, 22976, 24412, 28832, 38054, 48824, 57664, 76108, 97648, 152216, 195296, 304432, 323459, 390592, 608864, 646918, 1217728, 1293836, 2587672, 5175344, 10350688, 20701376]

約数ペア:

[(1, 20701376), (2, 10350688), (4, 5175344), (8, 2587672), (16, 1293836), (17, 1217728), (32, 646918), (34, 608864), (53, 390592), (64, 323459), (68, 304432), (106, 195296), (136, 152216), (212, 97648), (272, 76108), (359, 57664), (424, 48824), (544, 38054), (718, 28832), (848, 24412), (901, 22976), (1088, 19027), (1436, 14416), (1696, 12206), (1802, 11488), (2872, 7208), (3392, 6103), (3604, 5744)]