20815388

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1483}}^1$

素因数の和:1538

約数の個数: 36

約数和(自身を含む): 41448120

約数和(自身を除く): 20632732

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 121, 242, 319, 484, 638, 1276, 1483, 2966, 3509, 5932, 7018, 14036, 16313, 32626, 43007, 65252, 86014, 172028, 179443, 358886, 473077, 717772, 946154, 1892308, 5203847, 10407694, 20815388]

約数ペア:

[(1, 20815388), (2, 10407694), (4, 5203847), (11, 1892308), (22, 946154), (29, 717772), (44, 473077), (58, 358886), (116, 179443), (121, 172028), (242, 86014), (319, 65252), (484, 43007), (638, 32626), (1276, 16313), (1483, 14036), (2966, 7018), (3509, 5932)]