20004864

素因数分解:

$2^{14}\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 120

約数和(自身を含む): 59767008

約数和(自身を除く): 39762144

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 37, 44, 48, 64, 66, 74, 88, 96, 111, 128, 132, 148, 176, 192, 222, 256, 264, 296, 352, 384, 407, 444, 512, 528, 592, 704, 768, 814, 888, 1024, 1056, 1184, 1221, 1408, 1536, 1628, 1776, 2048, 2112, 2368, 2442, 2816, 3072, 3256, 3552, 4096, 4224, 4736, 4884, 5632, 6144, 6512, 7104, 8192, 8448, 9472, 9768, 11264, 12288, 13024, 14208, 16384, 16896, 18944, 19536, 22528, 24576, 26048, 28416, 33792, 37888, 39072, 45056, 49152, 52096, 56832, 67584, 75776, 78144, 90112, 104192, 113664, 135168, 151552, 156288, 180224, 208384, 227328, 270336, 303104, 312576, 416768, 454656, 540672, 606208, 625152, 833536, 909312, 1250304, 1667072, 1818624, 2500608, 3334144, 5001216, 6668288, 10002432, 20004864]

約数ペア:

[(1, 20004864), (2, 10002432), (3, 6668288), (4, 5001216), (6, 3334144), (8, 2500608), (11, 1818624), (12, 1667072), (16, 1250304), (22, 909312), (24, 833536), (32, 625152), (33, 606208), (37, 540672), (44, 454656), (48, 416768), (64, 312576), (66, 303104), (74, 270336), (88, 227328), (96, 208384), (111, 180224), (128, 156288), (132, 151552), (148, 135168), (176, 113664), (192, 104192), (222, 90112), (256, 78144), (264, 75776), (296, 67584), (352, 56832), (384, 52096), (407, 49152), (444, 45056), (512, 39072), (528, 37888), (592, 33792), (704, 28416), (768, 26048), (814, 24576), (888, 22528), (1024, 19536), (1056, 18944), (1184, 16896), (1221, 16384), (1408, 14208), (1536, 13024), (1628, 12288), (1776, 11264), (2048, 9768), (2112, 9472), (2368, 8448), (2442, 8192), (2816, 7104), (3072, 6512), (3256, 6144), (3552, 5632), (4096, 4884), (4224, 4736)]