20718984

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6037}}^1$

素因数の和:6070

約数の個数: 64

約数和(自身を含む): 60863040

約数和(自身を除く): 40144056

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 264, 286, 312, 429, 572, 858, 1144, 1716, 3432, 6037, 12074, 18111, 24148, 36222, 48296, 66407, 72444, 78481, 132814, 144888, 156962, 199221, 235443, 265628, 313924, 398442, 470886, 531256, 627848, 796884, 863291, 941772, 1593768, 1726582, 1883544, 2589873, 3453164, 5179746, 6906328, 10359492, 20718984]

約数ペア:

[(1, 20718984), (2, 10359492), (3, 6906328), (4, 5179746), (6, 3453164), (8, 2589873), (11, 1883544), (12, 1726582), (13, 1593768), (22, 941772), (24, 863291), (26, 796884), (33, 627848), (39, 531256), (44, 470886), (52, 398442), (66, 313924), (78, 265628), (88, 235443), (104, 199221), (132, 156962), (143, 144888), (156, 132814), (264, 78481), (286, 72444), (312, 66407), (429, 48296), (572, 36222), (858, 24148), (1144, 18111), (1716, 12074), (3432, 6037)]