20210660176

素因数分解:

$2^4\times 7^1\times {\mathrm{1237}}^1\times {\mathrm{145879}}^1$

素因数の和:147131

約数の個数: 40

約数和(自身を含む): 44788661120

約数和(自身を除く): 24578000944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1237, 2474, 4948, 8659, 9896, 17318, 19792, 34636, 69272, 138544, 145879, 291758, 583516, 1021153, 1167032, 2042306, 2334064, 4084612, 8169224, 16338448, 180452323, 360904646, 721809292, 1263166261, 1443618584, 2526332522, 2887237168, 5052665044, 10105330088, 20210660176]

約数ペア:

[(1, 20210660176), (2, 10105330088), (4, 5052665044), (7, 2887237168), (8, 2526332522), (14, 1443618584), (16, 1263166261), (28, 721809292), (56, 360904646), (112, 180452323), (1237, 16338448), (2474, 8169224), (4948, 4084612), (8659, 2334064), (9896, 2042306), (17318, 1167032), (19792, 1021153), (34636, 583516), (69272, 291758), (138544, 145879)]