20739492060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{7054249}}^1$

素因数の和:7054275

約数の個数: 72

約数和(自身を含む): 67551498000

約数和(自身を除く): 46812005940

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, 7054249, 14108498, 21162747, 28216996, 35271245, 42325494, 49379743, 70542490, 84650988, 98759486, 105813735, 141084980, 148139229, 197518972, 211627470, 246898715, 296278458, 345658201, 423254940, 493797430, 592556916, 691316402, 740696145, 987594860, 1036974603, 1382632804, 1481392290, 1728291005, 2073949206, 2962784580, 3456582010, 4147898412, 5184873015, 6913164020, 10369746030, 20739492060]

約数ペア:

[(1, 20739492060), (2, 10369746030), (3, 6913164020), (4, 5184873015), (5, 4147898412), (6, 3456582010), (7, 2962784580), (10, 2073949206), (12, 1728291005), (14, 1481392290), (15, 1382632804), (20, 1036974603), (21, 987594860), (28, 740696145), (30, 691316402), (35, 592556916), (42, 493797430), (49, 423254940), (60, 345658201), (70, 296278458), (84, 246898715), (98, 211627470), (105, 197518972), (140, 148139229), (147, 141084980), (196, 105813735), (210, 98759486), (245, 84650988), (294, 70542490), (420, 49379743), (490, 42325494), (588, 35271245), (735, 28216996), (980, 21162747), (1470, 14108498), (2940, 7054249)]