20306700

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:158

約数の個数: 180

約数和(自身を含む): 69318480

約数和(自身を除く): 49011780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 27, 30, 36, 45, 46, 50, 54, 60, 69, 75, 81, 90, 92, 100, 108, 109, 115, 135, 138, 150, 162, 180, 207, 218, 225, 230, 270, 276, 300, 324, 327, 345, 405, 414, 436, 450, 460, 540, 545, 575, 621, 654, 675, 690, 810, 828, 900, 981, 1035, 1090, 1150, 1242, 1308, 1350, 1380, 1620, 1635, 1725, 1863, 1962, 2025, 2070, 2180, 2300, 2484, 2507, 2700, 2725, 2943, 3105, 3270, 3450, 3726, 3924, 4050, 4140, 4905, 5014, 5175, 5450, 5886, 6210, 6540, 6900, 7452, 7521, 8100, 8175, 8829, 9315, 9810, 10028, 10350, 10900, 11772, 12420, 12535, 14715, 15042, 15525, 16350, 17658, 18630, 19620, 20700, 22563, 24525, 25070, 29430, 30084, 31050, 32700, 35316, 37260, 37605, 44145, 45126, 46575, 49050, 50140, 58860, 62100, 62675, 67689, 73575, 75210, 88290, 90252, 93150, 98100, 112815, 125350, 135378, 147150, 150420, 176580, 186300, 188025, 203067, 220725, 225630, 250700, 270756, 294300, 338445, 376050, 406134, 441450, 451260, 564075, 676890, 752100, 812268, 882900, 1015335, 1128150, 1353780, 1692225, 2030670, 2256300, 3384450, 4061340, 5076675, 6768900, 10153350, 20306700]

約数ペア:

[(1, 20306700), (2, 10153350), (3, 6768900), (4, 5076675), (5, 4061340), (6, 3384450), (9, 2256300), (10, 2030670), (12, 1692225), (15, 1353780), (18, 1128150), (20, 1015335), (23, 882900), (25, 812268), (27, 752100), (30, 676890), (36, 564075), (45, 451260), (46, 441450), (50, 406134), (54, 376050), (60, 338445), (69, 294300), (75, 270756), (81, 250700), (90, 225630), (92, 220725), (100, 203067), (108, 188025), (109, 186300), (115, 176580), (135, 150420), (138, 147150), (150, 135378), (162, 125350), (180, 112815), (207, 98100), (218, 93150), (225, 90252), (230, 88290), (270, 75210), (276, 73575), (300, 67689), (324, 62675), (327, 62100), (345, 58860), (405, 50140), (414, 49050), (436, 46575), (450, 45126), (460, 44145), (540, 37605), (545, 37260), (575, 35316), (621, 32700), (654, 31050), (675, 30084), (690, 29430), (810, 25070), (828, 24525), (900, 22563), (981, 20700), (1035, 19620), (1090, 18630), (1150, 17658), (1242, 16350), (1308, 15525), (1350, 15042), (1380, 14715), (1620, 12535), (1635, 12420), (1725, 11772), (1863, 10900), (1962, 10350), (2025, 10028), (2070, 9810), (2180, 9315), (2300, 8829), (2484, 8175), (2507, 8100), (2700, 7521), (2725, 7452), (2943, 6900), (3105, 6540), (3270, 6210), (3450, 5886), (3726, 5450), (3924, 5175), (4050, 5014), (4140, 4905)]