20132677580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2293}}^1\times {\mathrm{5557}}^1$

素因数の和:7938

約数の個数: 48

約数和(自身を含む): 42840174720

約数和(自身を除く): 22707497140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2293, 4586, 5557, 9172, 11114, 11465, 22228, 22930, 27785, 45860, 55570, 111140, 181147, 362294, 439003, 724588, 878006, 905735, 1756012, 1811470, 2195015, 3622940, 4390030, 8780060, 12742201, 25484402, 50968804, 63711005, 127422010, 254844020, 1006633879, 2013267758, 4026535516, 5033169395, 10066338790, 20132677580]

約数ペア:

[(1, 20132677580), (2, 10066338790), (4, 5033169395), (5, 4026535516), (10, 2013267758), (20, 1006633879), (79, 254844020), (158, 127422010), (316, 63711005), (395, 50968804), (790, 25484402), (1580, 12742201), (2293, 8780060), (4586, 4390030), (5557, 3622940), (9172, 2195015), (11114, 1811470), (11465, 1756012), (22228, 905735), (22930, 878006), (27785, 724588), (45860, 439003), (55570, 362294), (111140, 181147)]