20171249908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1307}}^1\times {\mathrm{3329}}^1$

素因数の和:4720

約数の個数: 48

約数和(自身を含む): 37806955200

約数和(自身を除く): 17635705292

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 1307, 2318, 2614, 3329, 4636, 5228, 6658, 13316, 24833, 49666, 63251, 79727, 99332, 126502, 159454, 203069, 253004, 318908, 406138, 812276, 1514813, 3029626, 3858311, 4351003, 6059252, 7716622, 8702006, 15433244, 17404012, 82669057, 165338114, 265411183, 330676228, 530822366, 1061644732, 5042812477, 10085624954, 20171249908]

約数ペア:

[(1, 20171249908), (2, 10085624954), (4, 5042812477), (19, 1061644732), (38, 530822366), (61, 330676228), (76, 265411183), (122, 165338114), (244, 82669057), (1159, 17404012), (1307, 15433244), (2318, 8702006), (2614, 7716622), (3329, 6059252), (4636, 4351003), (5228, 3858311), (6658, 3029626), (13316, 1514813), (24833, 812276), (49666, 406138), (63251, 318908), (79727, 253004), (99332, 203069), (126502, 159454)]