20012672

素因数分解:

$2^7\times {\mathrm{17}}^2\times {\mathrm{541}}^1$

素因数の和:589

約数の個数: 48

約数和(自身を含む): 42430470

約数和(自身を除く): 22417798

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 289, 541, 544, 578, 1082, 1088, 1156, 2164, 2176, 2312, 4328, 4624, 8656, 9197, 9248, 17312, 18394, 18496, 34624, 36788, 36992, 69248, 73576, 147152, 156349, 294304, 312698, 588608, 625396, 1177216, 1250792, 2501584, 5003168, 10006336, 20012672]

約数ペア:

[(1, 20012672), (2, 10006336), (4, 5003168), (8, 2501584), (16, 1250792), (17, 1177216), (32, 625396), (34, 588608), (64, 312698), (68, 294304), (128, 156349), (136, 147152), (272, 73576), (289, 69248), (541, 36992), (544, 36788), (578, 34624), (1082, 18496), (1088, 18394), (1156, 17312), (2164, 9248), (2176, 9197), (2312, 8656), (4328, 4624)]