20152273925

素因数分解:

$5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1\times {\mathrm{2617}}^1$

素因数の和:3270

約数の個数: 48

約数和(自身を含む): 28983144960

約数和(自身を除く): 8830871035

約数列:

[1, 5, 7, 25, 35, 79, 175, 395, 553, 557, 1975, 2617, 2765, 2785, 3899, 13085, 13825, 13925, 18319, 19495, 44003, 65425, 91595, 97475, 206743, 220015, 308021, 457975, 1033715, 1100075, 1447201, 1457669, 1540105, 5168575, 7236005, 7288345, 7700525, 10203683, 36180025, 36441725, 51018415, 115155851, 255092075, 575779255, 806090957, 2878896275, 4030454785, 20152273925]

約数ペア:

[(1, 20152273925), (5, 4030454785), (7, 2878896275), (25, 806090957), (35, 575779255), (79, 255092075), (175, 115155851), (395, 51018415), (553, 36441725), (557, 36180025), (1975, 10203683), (2617, 7700525), (2765, 7288345), (2785, 7236005), (3899, 5168575), (13085, 1540105), (13825, 1457669), (13925, 1447201), (18319, 1100075), (19495, 1033715), (44003, 457975), (65425, 308021), (91595, 220015), (97475, 206743)]