20716339800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2655941}}^1$

素因数の和:2655973

約数の個数: 96

約数和(自身を含む): 69160729680

約数和(自身を除く): 48444389880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 3900, 7800, 2655941, 5311882, 7967823, 10623764, 13279705, 15935646, 21247528, 26559410, 31871292, 34527233, 39839115, 53118820, 63742584, 66398525, 69054466, 79678230, 103581699, 106237640, 132797050, 138108932, 159356460, 172636165, 199195575, 207163398, 265594100, 276217864, 318712920, 345272330, 398391150, 414326796, 517908495, 531188200, 690544660, 796782300, 828653592, 863180825, 1035816990, 1381089320, 1593564600, 1726361650, 2071633980, 2589542475, 3452723300, 4143267960, 5179084950, 6905446600, 10358169900, 20716339800]

約数ペア:

[(1, 20716339800), (2, 10358169900), (3, 6905446600), (4, 5179084950), (5, 4143267960), (6, 3452723300), (8, 2589542475), (10, 2071633980), (12, 1726361650), (13, 1593564600), (15, 1381089320), (20, 1035816990), (24, 863180825), (25, 828653592), (26, 796782300), (30, 690544660), (39, 531188200), (40, 517908495), (50, 414326796), (52, 398391150), (60, 345272330), (65, 318712920), (75, 276217864), (78, 265594100), (100, 207163398), (104, 199195575), (120, 172636165), (130, 159356460), (150, 138108932), (156, 132797050), (195, 106237640), (200, 103581699), (260, 79678230), (300, 69054466), (312, 66398525), (325, 63742584), (390, 53118820), (520, 39839115), (600, 34527233), (650, 31871292), (780, 26559410), (975, 21247528), (1300, 15935646), (1560, 13279705), (1950, 10623764), (2600, 7967823), (3900, 5311882), (7800, 2655941)]