20107430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 44675712

約数和(自身を除く): 24568282

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 61, 70, 85, 119, 122, 170, 238, 277, 305, 427, 554, 595, 610, 854, 1037, 1190, 1385, 1939, 2074, 2135, 2770, 3878, 4270, 4709, 5185, 7259, 9418, 9695, 10370, 14518, 16897, 19390, 23545, 32963, 33794, 36295, 47090, 65926, 72590, 84485, 118279, 164815, 168970, 236558, 287249, 329630, 574498, 591395, 1182790, 1436245, 2010743, 2872490, 4021486, 10053715, 20107430]

約数ペア:

[(1, 20107430), (2, 10053715), (5, 4021486), (7, 2872490), (10, 2010743), (14, 1436245), (17, 1182790), (34, 591395), (35, 574498), (61, 329630), (70, 287249), (85, 236558), (119, 168970), (122, 164815), (170, 118279), (238, 84485), (277, 72590), (305, 65926), (427, 47090), (554, 36295), (595, 33794), (610, 32963), (854, 23545), (1037, 19390), (1190, 16897), (1385, 14518), (1939, 10370), (2074, 9695), (2135, 9418), (2770, 7259), (3878, 5185), (4270, 4709)]