20090694780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{199669}}^1$

素因数の和:199740

約数の個数: 144

約数和(自身を含む): 67156209120

約数和(自身を除く): 47065514340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 387, 390, 430, 468, 516, 559, 585, 645, 774, 780, 860, 1118, 1170, 1290, 1548, 1677, 1935, 2236, 2340, 2580, 2795, 3354, 3870, 5031, 5590, 6708, 7740, 8385, 10062, 11180, 16770, 20124, 25155, 33540, 50310, 100620, 199669, 399338, 599007, 798676, 998345, 1198014, 1797021, 1996690, 2396028, 2595697, 2995035, 3594042, 3993380, 5191394, 5990070, 7188084, 7787091, 8585767, 8985105, 10382788, 11980140, 12978485, 15574182, 17171534, 17970210, 23361273, 25757301, 25956970, 31148364, 34343068, 35940420, 38935455, 42928835, 46722546, 51514602, 51913940, 77271903, 77870910, 85857670, 93445092, 103029204, 111614971, 116806365, 128786505, 154543806, 155741820, 171715340, 223229942, 233612730, 257573010, 309087612, 334844913, 386359515, 446459884, 467225460, 515146020, 558074855, 669689826, 772719030, 1004534739, 1116149710, 1339379652, 1545438060, 1674224565, 2009069478, 2232299420, 3348449130, 4018138956, 5022673695, 6696898260, 10045347390, 20090694780]

約数ペア:

[(1, 20090694780), (2, 10045347390), (3, 6696898260), (4, 5022673695), (5, 4018138956), (6, 3348449130), (9, 2232299420), (10, 2009069478), (12, 1674224565), (13, 1545438060), (15, 1339379652), (18, 1116149710), (20, 1004534739), (26, 772719030), (30, 669689826), (36, 558074855), (39, 515146020), (43, 467225460), (45, 446459884), (52, 386359515), (60, 334844913), (65, 309087612), (78, 257573010), (86, 233612730), (90, 223229942), (117, 171715340), (129, 155741820), (130, 154543806), (156, 128786505), (172, 116806365), (180, 111614971), (195, 103029204), (215, 93445092), (234, 85857670), (258, 77870910), (260, 77271903), (387, 51913940), (390, 51514602), (430, 46722546), (468, 42928835), (516, 38935455), (559, 35940420), (585, 34343068), (645, 31148364), (774, 25956970), (780, 25757301), (860, 23361273), (1118, 17970210), (1170, 17171534), (1290, 15574182), (1548, 12978485), (1677, 11980140), (1935, 10382788), (2236, 8985105), (2340, 8585767), (2580, 7787091), (2795, 7188084), (3354, 5990070), (3870, 5191394), (5031, 3993380), (5590, 3594042), (6708, 2995035), (7740, 2595697), (8385, 2396028), (10062, 1996690), (11180, 1797021), (16770, 1198014), (20124, 998345), (25155, 798676), (33540, 599007), (50310, 399338), (100620, 199669)]