20420412

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{307}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 50088192

約数和(自身を除く): 29667780

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 241, 276, 307, 482, 614, 723, 921, 964, 1228, 1446, 1842, 2892, 3684, 5543, 7061, 11086, 14122, 16629, 21183, 22172, 28244, 33258, 42366, 66516, 73987, 84732, 147974, 221961, 295948, 443922, 887844, 1701701, 3403402, 5105103, 6806804, 10210206, 20420412]

約数ペア:

[(1, 20420412), (2, 10210206), (3, 6806804), (4, 5105103), (6, 3403402), (12, 1701701), (23, 887844), (46, 443922), (69, 295948), (92, 221961), (138, 147974), (241, 84732), (276, 73987), (307, 66516), (482, 42366), (614, 33258), (723, 28244), (921, 22172), (964, 21183), (1228, 16629), (1446, 14122), (1842, 11086), (2892, 7061), (3684, 5543)]