20282040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1063}}^1$

素因数の和:1133

約数の個数: 96

約数和(自身を含む): 67223520

約数和(自身を除く): 46941480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 53, 60, 72, 90, 106, 120, 159, 180, 212, 265, 318, 360, 424, 477, 530, 636, 795, 954, 1060, 1063, 1272, 1590, 1908, 2120, 2126, 2385, 3180, 3189, 3816, 4252, 4770, 5315, 6360, 6378, 8504, 9540, 9567, 10630, 12756, 15945, 19080, 19134, 21260, 25512, 31890, 38268, 42520, 47835, 56339, 63780, 76536, 95670, 112678, 127560, 169017, 191340, 225356, 281695, 338034, 382680, 450712, 507051, 563390, 676068, 845085, 1014102, 1126780, 1352136, 1690170, 2028204, 2253560, 2535255, 3380340, 4056408, 5070510, 6760680, 10141020, 20282040]

約数ペア:

[(1, 20282040), (2, 10141020), (3, 6760680), (4, 5070510), (5, 4056408), (6, 3380340), (8, 2535255), (9, 2253560), (10, 2028204), (12, 1690170), (15, 1352136), (18, 1126780), (20, 1014102), (24, 845085), (30, 676068), (36, 563390), (40, 507051), (45, 450712), (53, 382680), (60, 338034), (72, 281695), (90, 225356), (106, 191340), (120, 169017), (159, 127560), (180, 112678), (212, 95670), (265, 76536), (318, 63780), (360, 56339), (424, 47835), (477, 42520), (530, 38268), (636, 31890), (795, 25512), (954, 21260), (1060, 19134), (1063, 19080), (1272, 15945), (1590, 12756), (1908, 10630), (2120, 9567), (2126, 9540), (2385, 8504), (3180, 6378), (3189, 6360), (3816, 5315), (4252, 4770)]