20186720388

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{1259}}^1\times {\mathrm{3251}}^1$

素因数の和:4657

約数の個数: 72

約数和(自身を含む): 51456656160

約数和(自身を除く): 31269935772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 548, 822, 1233, 1259, 1644, 2466, 2518, 3251, 3777, 4932, 5036, 6502, 7554, 9753, 11331, 13004, 15108, 19506, 22662, 29259, 39012, 45324, 58518, 117036, 172483, 344966, 445387, 517449, 689932, 890774, 1034898, 1336161, 1552347, 1781548, 2069796, 2672322, 3104694, 4008483, 4093009, 5344644, 6209388, 8016966, 8186018, 12279027, 16033932, 16372036, 24558054, 36837081, 49116108, 73674162, 147348324, 560742233, 1121484466, 1682226699, 2242968932, 3364453398, 5046680097, 6728906796, 10093360194, 20186720388]

約数ペア:

[(1, 20186720388), (2, 10093360194), (3, 6728906796), (4, 5046680097), (6, 3364453398), (9, 2242968932), (12, 1682226699), (18, 1121484466), (36, 560742233), (137, 147348324), (274, 73674162), (411, 49116108), (548, 36837081), (822, 24558054), (1233, 16372036), (1259, 16033932), (1644, 12279027), (2466, 8186018), (2518, 8016966), (3251, 6209388), (3777, 5344644), (4932, 4093009), (5036, 4008483), (6502, 3104694), (7554, 2672322), (9753, 2069796), (11331, 1781548), (13004, 1552347), (15108, 1336161), (19506, 1034898), (22662, 890774), (29259, 689932), (39012, 517449), (45324, 445387), (58518, 344966), (117036, 172483)]