20204296

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1117}}^1$

素因数の和:1166

約数の個数: 64

約数和(自身を含む): 48297600

約数和(自身を除く): 28093304

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 76, 119, 133, 136, 152, 238, 266, 323, 476, 532, 646, 952, 1064, 1117, 1292, 2234, 2261, 2584, 4468, 4522, 7819, 8936, 9044, 15638, 18088, 18989, 21223, 31276, 37978, 42446, 62552, 75956, 84892, 132923, 148561, 151912, 169784, 265846, 297122, 360791, 531692, 594244, 721582, 1063384, 1188488, 1443164, 2525537, 2886328, 5051074, 10102148, 20204296]

約数ペア:

[(1, 20204296), (2, 10102148), (4, 5051074), (7, 2886328), (8, 2525537), (14, 1443164), (17, 1188488), (19, 1063384), (28, 721582), (34, 594244), (38, 531692), (56, 360791), (68, 297122), (76, 265846), (119, 169784), (133, 151912), (136, 148561), (152, 132923), (238, 84892), (266, 75956), (323, 62552), (476, 42446), (532, 37978), (646, 31276), (952, 21223), (1064, 18989), (1117, 18088), (1292, 15638), (2234, 9044), (2261, 8936), (2584, 7819), (4468, 4522)]