20068812

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 53726400

約数和(自身を除く): 33657588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 47, 58, 87, 94, 116, 141, 174, 188, 261, 282, 348, 409, 423, 522, 564, 818, 846, 1044, 1227, 1363, 1636, 1692, 2454, 2726, 3681, 4089, 4908, 5452, 7362, 8178, 11861, 12267, 14724, 16356, 19223, 23722, 24534, 35583, 38446, 47444, 49068, 57669, 71166, 76892, 106749, 115338, 142332, 173007, 213498, 230676, 346014, 426996, 557467, 692028, 1114934, 1672401, 2229868, 3344802, 5017203, 6689604, 10034406, 20068812]

約数ペア:

[(1, 20068812), (2, 10034406), (3, 6689604), (4, 5017203), (6, 3344802), (9, 2229868), (12, 1672401), (18, 1114934), (29, 692028), (36, 557467), (47, 426996), (58, 346014), (87, 230676), (94, 213498), (116, 173007), (141, 142332), (174, 115338), (188, 106749), (261, 76892), (282, 71166), (348, 57669), (409, 49068), (423, 47444), (522, 38446), (564, 35583), (818, 24534), (846, 23722), (1044, 19223), (1227, 16356), (1363, 14724), (1636, 12267), (1692, 11861), (2454, 8178), (2726, 7362), (3681, 5452), (4089, 4908)]