20077560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1297}}^1$

素因数の和:1357

約数の個数: 96

約数和(自身を含む): 66821040

約数和(自身を除く): 46743480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1297, 1548, 1720, 1935, 2580, 2594, 3096, 3870, 3891, 5160, 5188, 6485, 7740, 7782, 10376, 11673, 12970, 15480, 15564, 19455, 23346, 25940, 31128, 38910, 46692, 51880, 55771, 58365, 77820, 93384, 111542, 116730, 155640, 167313, 223084, 233460, 278855, 334626, 446168, 466920, 501939, 557710, 669252, 836565, 1003878, 1115420, 1338504, 1673130, 2007756, 2230840, 2509695, 3346260, 4015512, 5019390, 6692520, 10038780, 20077560]

約数ペア:

[(1, 20077560), (2, 10038780), (3, 6692520), (4, 5019390), (5, 4015512), (6, 3346260), (8, 2509695), (9, 2230840), (10, 2007756), (12, 1673130), (15, 1338504), (18, 1115420), (20, 1003878), (24, 836565), (30, 669252), (36, 557710), (40, 501939), (43, 466920), (45, 446168), (60, 334626), (72, 278855), (86, 233460), (90, 223084), (120, 167313), (129, 155640), (172, 116730), (180, 111542), (215, 93384), (258, 77820), (344, 58365), (360, 55771), (387, 51880), (430, 46692), (516, 38910), (645, 31128), (774, 25940), (860, 23346), (1032, 19455), (1290, 15564), (1297, 15480), (1548, 12970), (1720, 11673), (1935, 10376), (2580, 7782), (2594, 7740), (3096, 6485), (3870, 5188), (3891, 5160)]