20120139855

素因数分解:

$3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1\times {\mathrm{2861}}^1$

素因数の和:3449

約数の個数: 64

約数和(自身を含む): 36176595840

約数和(自身を除く): 16056455985

約数列:

[1, 3, 5, 9, 15, 27, 45, 113, 135, 339, 461, 565, 1017, 1383, 1695, 2305, 2861, 3051, 4149, 5085, 6915, 8583, 12447, 14305, 15255, 20745, 25749, 42915, 52093, 62235, 77247, 128745, 156279, 260465, 323293, 386235, 468837, 781395, 969879, 1318921, 1406511, 1616465, 2344185, 2909637, 3956763, 4849395, 6594605, 7032555, 8728911, 11870289, 14548185, 19783815, 35610867, 43644555, 59351445, 149038073, 178054335, 447114219, 745190365, 1341342657, 2235571095, 4024027971, 6706713285, 20120139855]

約数ペア:

[(1, 20120139855), (3, 6706713285), (5, 4024027971), (9, 2235571095), (15, 1341342657), (27, 745190365), (45, 447114219), (113, 178054335), (135, 149038073), (339, 59351445), (461, 43644555), (565, 35610867), (1017, 19783815), (1383, 14548185), (1695, 11870289), (2305, 8728911), (2861, 7032555), (3051, 6594605), (4149, 4849395), (5085, 3956763), (6915, 2909637), (8583, 2344185), (12447, 1616465), (14305, 1406511), (15255, 1318921), (20745, 969879), (25749, 781395), (42915, 468837), (52093, 386235), (62235, 323293), (77247, 260465), (128745, 156279)]