20634464

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:567

約数の個数: 48

約数和(自身を含む): 43627248

約数和(自身を除く): 22992784

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 83, 136, 166, 272, 332, 457, 544, 664, 914, 1328, 1411, 1828, 2656, 2822, 3656, 5644, 7312, 7769, 11288, 14624, 15538, 22576, 31076, 37931, 45152, 62152, 75862, 124304, 151724, 248608, 303448, 606896, 644827, 1213792, 1289654, 2579308, 5158616, 10317232, 20634464]

約数ペア:

[(1, 20634464), (2, 10317232), (4, 5158616), (8, 2579308), (16, 1289654), (17, 1213792), (32, 644827), (34, 606896), (68, 303448), (83, 248608), (136, 151724), (166, 124304), (272, 75862), (332, 62152), (457, 45152), (544, 37931), (664, 31076), (914, 22576), (1328, 15538), (1411, 14624), (1828, 11288), (2656, 7769), (2822, 7312), (3656, 5644)]