20367480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24247}}^1$

素因数の和:24268

約数の個数: 64

約数和(自身を含む): 69834240

約数和(自身を除く): 49466760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24247, 48494, 72741, 96988, 121235, 145482, 169729, 193976, 242470, 290964, 339458, 363705, 484940, 509187, 581928, 678916, 727410, 848645, 969880, 1018374, 1357832, 1454820, 1697290, 2036748, 2545935, 2909640, 3394580, 4073496, 5091870, 6789160, 10183740, 20367480]

約数ペア:

[(1, 20367480), (2, 10183740), (3, 6789160), (4, 5091870), (5, 4073496), (6, 3394580), (7, 2909640), (8, 2545935), (10, 2036748), (12, 1697290), (14, 1454820), (15, 1357832), (20, 1018374), (21, 969880), (24, 848645), (28, 727410), (30, 678916), (35, 581928), (40, 509187), (42, 484940), (56, 363705), (60, 339458), (70, 290964), (84, 242470), (105, 193976), (120, 169729), (140, 145482), (168, 121235), (210, 96988), (280, 72741), (420, 48494), (840, 24247)]