20176846875

素因数分解:

$3^4\times 5^5\times {\mathrm{79}}^1\times {\mathrm{1009}}^1$

素因数の和:1125

約数の個数: 120

約数和(自身を含む): 38188180800

約数和(自身を除く): 18011333925

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 79, 81, 125, 135, 225, 237, 375, 395, 405, 625, 675, 711, 1009, 1125, 1185, 1875, 1975, 2025, 2133, 3027, 3125, 3375, 3555, 5045, 5625, 5925, 6399, 9081, 9375, 9875, 10125, 10665, 15135, 16875, 17775, 25225, 27243, 28125, 29625, 31995, 45405, 49375, 50625, 53325, 75675, 79711, 81729, 84375, 88875, 126125, 136215, 148125, 159975, 227025, 239133, 246875, 253125, 266625, 378375, 398555, 408645, 444375, 630625, 681075, 717399, 740625, 799875, 1135125, 1195665, 1333125, 1891875, 1992775, 2043225, 2152197, 2221875, 3153125, 3405375, 3586995, 3999375, 5675625, 5978325, 6456591, 6665625, 9459375, 9963875, 10216125, 10760985, 17026875, 17934975, 19996875, 28378125, 29891625, 32282955, 49819375, 51080625, 53804925, 85134375, 89674875, 149458125, 161414775, 249096875, 255403125, 269024625, 448374375, 747290625, 807073875, 1345123125, 2241871875, 4035369375, 6725615625, 20176846875]

約数ペア:

[(1, 20176846875), (3, 6725615625), (5, 4035369375), (9, 2241871875), (15, 1345123125), (25, 807073875), (27, 747290625), (45, 448374375), (75, 269024625), (79, 255403125), (81, 249096875), (125, 161414775), (135, 149458125), (225, 89674875), (237, 85134375), (375, 53804925), (395, 51080625), (405, 49819375), (625, 32282955), (675, 29891625), (711, 28378125), (1009, 19996875), (1125, 17934975), (1185, 17026875), (1875, 10760985), (1975, 10216125), (2025, 9963875), (2133, 9459375), (3027, 6665625), (3125, 6456591), (3375, 5978325), (3555, 5675625), (5045, 3999375), (5625, 3586995), (5925, 3405375), (6399, 3153125), (9081, 2221875), (9375, 2152197), (9875, 2043225), (10125, 1992775), (10665, 1891875), (15135, 1333125), (16875, 1195665), (17775, 1135125), (25225, 799875), (27243, 740625), (28125, 717399), (29625, 681075), (31995, 630625), (45405, 444375), (49375, 408645), (50625, 398555), (53325, 378375), (75675, 266625), (79711, 253125), (81729, 246875), (84375, 239133), (88875, 227025), (126125, 159975), (136215, 148125)]