20815694081

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{1049}}^1$

素因数の和:1314

約数の個数: 64

約数和(自身を含む): 27636940800

約数和(自身を除く): 6821246719

約数列:

[1, 7, 13, 17, 91, 101, 119, 127, 221, 707, 889, 1049, 1313, 1547, 1651, 1717, 2159, 7343, 9191, 11557, 12019, 12827, 13637, 15113, 17833, 22321, 28067, 89789, 95459, 105949, 124831, 133223, 156247, 166751, 196469, 218059, 231829, 741643, 932561, 1167257, 1377337, 1526413, 1622803, 1731899, 1801133, 2264791, 2834767, 9641359, 12123293, 12607931, 13455523, 15853537, 19843369, 23414729, 29442283, 94188661, 163903103, 174921799, 206095981, 228743891, 1224452593, 1601207237, 2973670583, 20815694081]

約数ペア:

[(1, 20815694081), (7, 2973670583), (13, 1601207237), (17, 1224452593), (91, 228743891), (101, 206095981), (119, 174921799), (127, 163903103), (221, 94188661), (707, 29442283), (889, 23414729), (1049, 19843369), (1313, 15853537), (1547, 13455523), (1651, 12607931), (1717, 12123293), (2159, 9641359), (7343, 2834767), (9191, 2264791), (11557, 1801133), (12019, 1731899), (12827, 1622803), (13637, 1526413), (15113, 1377337), (17833, 1167257), (22321, 932561), (28067, 741643), (89789, 231829), (95459, 218059), (105949, 196469), (124831, 166751), (133223, 156247)]