20966044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 22579556

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 62, 76, 124, 209, 341, 418, 589, 682, 809, 836, 1178, 1364, 1618, 2356, 3236, 6479, 8899, 12958, 15371, 17798, 25079, 25916, 30742, 35596, 50158, 61484, 100316, 169081, 275869, 338162, 476501, 551738, 676324, 953002, 1103476, 1906004, 5241511, 10483022, 20966044]

約数ペア:

[(1, 20966044), (2, 10483022), (4, 5241511), (11, 1906004), (19, 1103476), (22, 953002), (31, 676324), (38, 551738), (44, 476501), (62, 338162), (76, 275869), (124, 169081), (209, 100316), (341, 61484), (418, 50158), (589, 35596), (682, 30742), (809, 25916), (836, 25079), (1178, 17798), (1364, 15371), (1618, 12958), (2356, 8899), (3236, 6479)]