20785908

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12113}}^1$

素因数の和:12144

約数の個数: 48

約数和(自身を含む): 56984256

約数和(自身を除く): 36198348

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 12113, 24226, 36339, 48452, 72678, 133243, 145356, 157469, 266486, 314938, 399729, 472407, 532972, 629876, 799458, 944814, 1598916, 1732159, 1889628, 3464318, 5196477, 6928636, 10392954, 20785908]

約数ペア:

[(1, 20785908), (2, 10392954), (3, 6928636), (4, 5196477), (6, 3464318), (11, 1889628), (12, 1732159), (13, 1598916), (22, 944814), (26, 799458), (33, 629876), (39, 532972), (44, 472407), (52, 399729), (66, 314938), (78, 266486), (132, 157469), (143, 145356), (156, 133243), (286, 72678), (429, 48452), (572, 36339), (858, 24226), (1716, 12113)]