13209420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{4493}}^1$

素因数の和:4519

約数の個数: 72

約数和(自身を含む): 43034544

約数和(自身を除く): 29825124

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 4493, 8986, 13479, 17972, 22465, 26958, 31451, 44930, 53916, 62902, 67395, 89860, 94353, 125804, 134790, 157255, 188706, 220157, 269580, 314510, 377412, 440314, 471765, 629020, 660471, 880628, 943530, 1100785, 1320942, 1887060, 2201570, 2641884, 3302355, 4403140, 6604710, 13209420]

約数ペア:

[(1, 13209420), (2, 6604710), (3, 4403140), (4, 3302355), (5, 2641884), (6, 2201570), (7, 1887060), (10, 1320942), (12, 1100785), (14, 943530), (15, 880628), (20, 660471), (21, 629020), (28, 471765), (30, 440314), (35, 377412), (42, 314510), (49, 269580), (60, 220157), (70, 188706), (84, 157255), (98, 134790), (105, 125804), (140, 94353), (147, 89860), (196, 67395), (210, 62902), (245, 53916), (294, 44930), (420, 31451), (490, 26958), (588, 22465), (735, 17972), (980, 13479), (1470, 8986), (2940, 4493)]