20810472

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1$

素因数の和:1046

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 35176728

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 47, 57, 76, 94, 114, 141, 152, 188, 228, 282, 376, 456, 564, 893, 971, 1128, 1786, 1942, 2679, 2913, 3572, 3884, 5358, 5826, 7144, 7768, 10716, 11652, 18449, 21432, 23304, 36898, 45637, 55347, 73796, 91274, 110694, 136911, 147592, 182548, 221388, 273822, 365096, 442776, 547644, 867103, 1095288, 1734206, 2601309, 3468412, 5202618, 6936824, 10405236, 20810472]

約数ペア:

[(1, 20810472), (2, 10405236), (3, 6936824), (4, 5202618), (6, 3468412), (8, 2601309), (12, 1734206), (19, 1095288), (24, 867103), (38, 547644), (47, 442776), (57, 365096), (76, 273822), (94, 221388), (114, 182548), (141, 147592), (152, 136911), (188, 110694), (228, 91274), (282, 73796), (376, 55347), (456, 45637), (564, 36898), (893, 23304), (971, 21432), (1128, 18449), (1786, 11652), (1942, 10716), (2679, 7768), (2913, 7144), (3572, 5826), (3884, 5358)]