20538900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{7607}}^1$

素因数の和:7630

約数の個数: 72

約数和(自身を含む): 66037440

約数和(自身を除く): 45498540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 7607, 15214, 22821, 30428, 38035, 45642, 68463, 76070, 91284, 114105, 136926, 152140, 190175, 205389, 228210, 273852, 342315, 380350, 410778, 456420, 570525, 684630, 760700, 821556, 1026945, 1141050, 1369260, 1711575, 2053890, 2282100, 3423150, 4107780, 5134725, 6846300, 10269450, 20538900]

約数ペア:

[(1, 20538900), (2, 10269450), (3, 6846300), (4, 5134725), (5, 4107780), (6, 3423150), (9, 2282100), (10, 2053890), (12, 1711575), (15, 1369260), (18, 1141050), (20, 1026945), (25, 821556), (27, 760700), (30, 684630), (36, 570525), (45, 456420), (50, 410778), (54, 380350), (60, 342315), (75, 273852), (90, 228210), (100, 205389), (108, 190175), (135, 152140), (150, 136926), (180, 114105), (225, 91284), (270, 76070), (300, 68463), (450, 45642), (540, 38035), (675, 30428), (900, 22821), (1350, 15214), (2700, 7607)]