20403749040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1808843}}^1$

素因数の和:1808906

約数の個数: 80

約数和(自身を含む): 64597436928

約数和(自身を除く): 44193687888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 11280, 1808843, 3617686, 5426529, 7235372, 9044215, 10853058, 14470744, 18088430, 21706116, 27132645, 28941488, 36176860, 43412232, 54265290, 72353720, 85015621, 86824464, 108530580, 144707440, 170031242, 217061160, 255046863, 340062484, 425078105, 434122320, 510093726, 680124968, 850156210, 1020187452, 1275234315, 1360249936, 1700312420, 2040374904, 2550468630, 3400624840, 4080749808, 5100937260, 6801249680, 10201874520, 20403749040]

約数ペア:

[(1, 20403749040), (2, 10201874520), (3, 6801249680), (4, 5100937260), (5, 4080749808), (6, 3400624840), (8, 2550468630), (10, 2040374904), (12, 1700312420), (15, 1360249936), (16, 1275234315), (20, 1020187452), (24, 850156210), (30, 680124968), (40, 510093726), (47, 434122320), (48, 425078105), (60, 340062484), (80, 255046863), (94, 217061160), (120, 170031242), (141, 144707440), (188, 108530580), (235, 86824464), (240, 85015621), (282, 72353720), (376, 54265290), (470, 43412232), (564, 36176860), (705, 28941488), (752, 27132645), (940, 21706116), (1128, 18088430), (1410, 14470744), (1880, 10853058), (2256, 9044215), (2820, 7235372), (3760, 5426529), (5640, 3617686), (11280, 1808843)]