20249944220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{514219}}^1$

素因数の和:514418

約数の個数: 48

約数和(自身を含む): 46650038400

約数和(自身を除く): 26400094180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 1790, 1969, 3580, 3938, 7876, 9845, 19690, 39380, 514219, 1028438, 2056876, 2571095, 5142190, 5656409, 10284380, 11312818, 22625636, 28282045, 56564090, 92045201, 113128180, 184090402, 368180804, 460226005, 920452010, 1012497211, 1840904020, 2024994422, 4049988844, 5062486055, 10124972110, 20249944220]

約数ペア:

[(1, 20249944220), (2, 10124972110), (4, 5062486055), (5, 4049988844), (10, 2024994422), (11, 1840904020), (20, 1012497211), (22, 920452010), (44, 460226005), (55, 368180804), (110, 184090402), (179, 113128180), (220, 92045201), (358, 56564090), (716, 28282045), (895, 22625636), (1790, 11312818), (1969, 10284380), (3580, 5656409), (3938, 5142190), (7876, 2571095), (9845, 2056876), (19690, 1028438), (39380, 514219)]