20512157910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5333}}^1\times {\mathrm{4421}}^1$

素因数の和:9793

約数の個数: 64

約数和(自身を含む): 50947807680

約数和(自身を除く): 30435649770

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 4421, 5333, 8842, 10666, 13263, 15999, 22105, 26526, 26665, 31998, 44210, 53330, 66315, 79995, 128209, 132630, 154657, 159990, 256418, 309314, 384627, 463971, 641045, 769254, 773285, 927942, 1282090, 1546570, 1923135, 2319855, 3846270, 4639710, 23577193, 47154386, 70731579, 117885965, 141463158, 235771930, 353657895, 683738597, 707315790, 1367477194, 2051215791, 3418692985, 4102431582, 6837385970, 10256078955, 20512157910]

約数ペア:

[(1, 20512157910), (2, 10256078955), (3, 6837385970), (5, 4102431582), (6, 3418692985), (10, 2051215791), (15, 1367477194), (29, 707315790), (30, 683738597), (58, 353657895), (87, 235771930), (145, 141463158), (174, 117885965), (290, 70731579), (435, 47154386), (870, 23577193), (4421, 4639710), (5333, 3846270), (8842, 2319855), (10666, 1923135), (13263, 1546570), (15999, 1282090), (22105, 927942), (26526, 773285), (26665, 769254), (31998, 641045), (44210, 463971), (53330, 384627), (66315, 309314), (79995, 256418), (128209, 159990), (132630, 154657)]