20960864

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:807

約数の個数: 48

約数和(自身を含む): 44579808

約数和(自身を除く): 23618944

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 53, 68, 106, 136, 212, 272, 424, 544, 727, 848, 901, 1454, 1696, 1802, 2908, 3604, 5816, 7208, 11632, 12359, 14416, 23264, 24718, 28832, 38531, 49436, 77062, 98872, 154124, 197744, 308248, 395488, 616496, 655027, 1232992, 1310054, 2620108, 5240216, 10480432, 20960864]

約数ペア:

[(1, 20960864), (2, 10480432), (4, 5240216), (8, 2620108), (16, 1310054), (17, 1232992), (32, 655027), (34, 616496), (53, 395488), (68, 308248), (106, 197744), (136, 154124), (212, 98872), (272, 77062), (424, 49436), (544, 38531), (727, 28832), (848, 24718), (901, 23264), (1454, 14416), (1696, 12359), (1802, 11632), (2908, 7208), (3604, 5816)]