20020235312

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{143807}}^1$

素因数の和:143946

約数の個数: 80

約数和(自身を含む): 48788877312

約数和(自身を除く): 28768642000

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 113, 154, 176, 226, 308, 452, 616, 791, 904, 1232, 1243, 1582, 1808, 2486, 3164, 4972, 6328, 8701, 9944, 12656, 17402, 19888, 34804, 69608, 139216, 143807, 287614, 575228, 1006649, 1150456, 1581877, 2013298, 2300912, 3163754, 4026596, 6327508, 8053192, 11073139, 12655016, 16106384, 16250191, 22146278, 25310032, 32500382, 44292556, 65000764, 88585112, 113751337, 130001528, 177170224, 178752101, 227502674, 260003056, 357504202, 455005348, 715008404, 910010696, 1251264707, 1430016808, 1820021392, 2502529414, 2860033616, 5005058828, 10010117656, 20020235312]

約数ペア:

[(1, 20020235312), (2, 10010117656), (4, 5005058828), (7, 2860033616), (8, 2502529414), (11, 1820021392), (14, 1430016808), (16, 1251264707), (22, 910010696), (28, 715008404), (44, 455005348), (56, 357504202), (77, 260003056), (88, 227502674), (112, 178752101), (113, 177170224), (154, 130001528), (176, 113751337), (226, 88585112), (308, 65000764), (452, 44292556), (616, 32500382), (791, 25310032), (904, 22146278), (1232, 16250191), (1243, 16106384), (1582, 12655016), (1808, 11073139), (2486, 8053192), (3164, 6327508), (4972, 4026596), (6328, 3163754), (8701, 2300912), (9944, 2013298), (12656, 1581877), (17402, 1150456), (19888, 1006649), (34804, 575228), (69608, 287614), (139216, 143807)]