20365758

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 54512640

約数和(自身を除く): 34146882

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 47, 57, 63, 94, 114, 126, 133, 141, 171, 181, 266, 282, 329, 342, 362, 399, 423, 543, 658, 798, 846, 893, 987, 1086, 1197, 1267, 1629, 1786, 1974, 2394, 2534, 2679, 2961, 3258, 3439, 3801, 5358, 5922, 6251, 6878, 7602, 8037, 8507, 10317, 11403, 12502, 16074, 17014, 18753, 20634, 22806, 24073, 25521, 30951, 37506, 48146, 51042, 56259, 59549, 61902, 72219, 76563, 112518, 119098, 144438, 153126, 161633, 178647, 216657, 323266, 357294, 433314, 484899, 535941, 969798, 1071882, 1131431, 1454697, 2262862, 2909394, 3394293, 6788586, 10182879, 20365758]

約数ペア:

[(1, 20365758), (2, 10182879), (3, 6788586), (6, 3394293), (7, 2909394), (9, 2262862), (14, 1454697), (18, 1131431), (19, 1071882), (21, 969798), (38, 535941), (42, 484899), (47, 433314), (57, 357294), (63, 323266), (94, 216657), (114, 178647), (126, 161633), (133, 153126), (141, 144438), (171, 119098), (181, 112518), (266, 76563), (282, 72219), (329, 61902), (342, 59549), (362, 56259), (399, 51042), (423, 48146), (543, 37506), (658, 30951), (798, 25521), (846, 24073), (893, 22806), (987, 20634), (1086, 18753), (1197, 17014), (1267, 16074), (1629, 12502), (1786, 11403), (1974, 10317), (2394, 8507), (2534, 8037), (2679, 7602), (2961, 6878), (3258, 6251), (3439, 5922), (3801, 5358)]