20596140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:948

約数の個数: 96

約数和(自身を含む): 65640960

約数和(自身を除く): 45044820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 86, 90, 108, 129, 135, 172, 180, 215, 258, 270, 387, 430, 516, 540, 645, 774, 860, 887, 1161, 1290, 1548, 1774, 1935, 2322, 2580, 2661, 3548, 3870, 4435, 4644, 5322, 5805, 7740, 7983, 8870, 10644, 11610, 13305, 15966, 17740, 23220, 23949, 26610, 31932, 38141, 39915, 47898, 53220, 76282, 79830, 95796, 114423, 119745, 152564, 159660, 190705, 228846, 239490, 343269, 381410, 457692, 478980, 572115, 686538, 762820, 1029807, 1144230, 1373076, 1716345, 2059614, 2288460, 3432690, 4119228, 5149035, 6865380, 10298070, 20596140]

約数ペア:

[(1, 20596140), (2, 10298070), (3, 6865380), (4, 5149035), (5, 4119228), (6, 3432690), (9, 2288460), (10, 2059614), (12, 1716345), (15, 1373076), (18, 1144230), (20, 1029807), (27, 762820), (30, 686538), (36, 572115), (43, 478980), (45, 457692), (54, 381410), (60, 343269), (86, 239490), (90, 228846), (108, 190705), (129, 159660), (135, 152564), (172, 119745), (180, 114423), (215, 95796), (258, 79830), (270, 76282), (387, 53220), (430, 47898), (516, 39915), (540, 38141), (645, 31932), (774, 26610), (860, 23949), (887, 23220), (1161, 17740), (1290, 15966), (1548, 13305), (1774, 11610), (1935, 10644), (2322, 8870), (2580, 7983), (2661, 7740), (3548, 5805), (3870, 5322), (4435, 4644)]