20172086660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{331}}^1\times {\mathrm{25183}}^1$

素因数の和:25545

約数の個数: 72

約数和(自身を含む): 46705037568

約数和(自身を除く): 26532950908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 331, 484, 605, 662, 1210, 1324, 1655, 2420, 3310, 3641, 6620, 7282, 14564, 18205, 25183, 36410, 40051, 50366, 72820, 80102, 100732, 125915, 160204, 200255, 251830, 277013, 400510, 503660, 554026, 801020, 1108052, 1385065, 2770130, 3047143, 5540260, 6094286, 8335573, 12188572, 15235715, 16671146, 30471430, 33342292, 41677865, 60942860, 83355730, 91691303, 166711460, 183382606, 366765212, 458456515, 916913030, 1008604333, 1833826060, 2017208666, 4034417332, 5043021665, 10086043330, 20172086660]

約数ペア:

[(1, 20172086660), (2, 10086043330), (4, 5043021665), (5, 4034417332), (10, 2017208666), (11, 1833826060), (20, 1008604333), (22, 916913030), (44, 458456515), (55, 366765212), (110, 183382606), (121, 166711460), (220, 91691303), (242, 83355730), (331, 60942860), (484, 41677865), (605, 33342292), (662, 30471430), (1210, 16671146), (1324, 15235715), (1655, 12188572), (2420, 8335573), (3310, 6094286), (3641, 5540260), (6620, 3047143), (7282, 2770130), (14564, 1385065), (18205, 1108052), (25183, 801020), (36410, 554026), (40051, 503660), (50366, 400510), (72820, 277013), (80102, 251830), (100732, 200255), (125915, 160204)]