20174813995

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 28478628864

約数和(自身を除く): 8303814869

約数列:

[1, 5, 7, 35, 73, 163, 193, 251, 365, 511, 815, 965, 1141, 1255, 1351, 1757, 2555, 5705, 6755, 8785, 11899, 14089, 18323, 31459, 40913, 48443, 59495, 70445, 83293, 91615, 98623, 128261, 157295, 204565, 220213, 242215, 286391, 339101, 416465, 493115, 641305, 1101065, 1431955, 1695505, 2296507, 2986649, 3536339, 7896209, 11482535, 14933245, 16075549, 17681695, 20906543, 24754373, 39481045, 55273463, 80377745, 104532715, 123771865, 276367315, 576423257, 2882116285, 4034962799, 20174813995]

約数ペア:

[(1, 20174813995), (5, 4034962799), (7, 2882116285), (35, 576423257), (73, 276367315), (163, 123771865), (193, 104532715), (251, 80377745), (365, 55273463), (511, 39481045), (815, 24754373), (965, 20906543), (1141, 17681695), (1255, 16075549), (1351, 14933245), (1757, 11482535), (2555, 7896209), (5705, 3536339), (6755, 2986649), (8785, 2296507), (11899, 1695505), (14089, 1431955), (18323, 1101065), (31459, 641305), (40913, 493115), (48443, 416465), (59495, 339101), (70445, 286391), (83293, 242215), (91615, 220213), (98623, 204565), (128261, 157295)]