2020221660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{405667}}^1$

素因数の和:405762

約数の個数: 48

約数和(自身を含む): 5724786816

約数和(自身を除く): 3704565156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 166, 249, 332, 415, 498, 830, 996, 1245, 1660, 2490, 4980, 405667, 811334, 1217001, 1622668, 2028335, 2434002, 4056670, 4868004, 6085005, 8113340, 12170010, 24340020, 33670361, 67340722, 101011083, 134681444, 168351805, 202022166, 336703610, 404044332, 505055415, 673407220, 1010110830, 2020221660]

約数ペア:

[(1, 2020221660), (2, 1010110830), (3, 673407220), (4, 505055415), (5, 404044332), (6, 336703610), (10, 202022166), (12, 168351805), (15, 134681444), (20, 101011083), (30, 67340722), (60, 33670361), (83, 24340020), (166, 12170010), (249, 8113340), (332, 6085005), (415, 4868004), (498, 4056670), (830, 2434002), (996, 2028335), (1245, 1622668), (1660, 1217001), (2490, 811334), (4980, 405667)]