20162980794

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1\times {\mathrm{6991}}^1$

素因数の和:7587

約数の個数: 64

約数和(自身を含む): 44583229440

約数和(自身を除く): 24420248646

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 178, 267, 491, 534, 979, 982, 1473, 1958, 2937, 2946, 5401, 5874, 6991, 10802, 13982, 16203, 20973, 32406, 41946, 43699, 76901, 87398, 131097, 153802, 230703, 262194, 461406, 480689, 622199, 961378, 1244398, 1442067, 1866597, 2884134, 3432581, 3733194, 6844189, 6865162, 10297743, 13688378, 20532567, 20595486, 37758391, 41065134, 75516782, 113275173, 226550346, 305499709, 610999418, 916499127, 1832998254, 3360496799, 6720993598, 10081490397, 20162980794]

約数ペア:

[(1, 20162980794), (2, 10081490397), (3, 6720993598), (6, 3360496799), (11, 1832998254), (22, 916499127), (33, 610999418), (66, 305499709), (89, 226550346), (178, 113275173), (267, 75516782), (491, 41065134), (534, 37758391), (979, 20595486), (982, 20532567), (1473, 13688378), (1958, 10297743), (2937, 6865162), (2946, 6844189), (5401, 3733194), (5874, 3432581), (6991, 2884134), (10802, 1866597), (13982, 1442067), (16203, 1244398), (20973, 961378), (32406, 622199), (41946, 480689), (43699, 461406), (76901, 262194), (87398, 230703), (131097, 153802)]