20155013895

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1\times {\mathrm{4423}}^1$

素因数の和:4780

約数の個数: 64

約数和(自身を含む): 34655846400

約数和(自身を除く): 14500832505

約数列:

[1, 3, 5, 15, 19, 57, 59, 95, 177, 271, 285, 295, 813, 885, 1121, 1355, 3363, 4065, 4423, 5149, 5605, 13269, 15447, 15989, 16815, 22115, 25745, 47967, 66345, 77235, 79945, 84037, 239835, 252111, 260957, 303791, 420185, 782871, 911373, 1198633, 1260555, 1304785, 1518955, 3595899, 3914355, 4556865, 4958183, 5993165, 14874549, 17979495, 22774027, 24790915, 68322081, 70719347, 74372745, 113870135, 212158041, 341610405, 353596735, 1060790205, 1343667593, 4031002779, 6718337965, 20155013895]

約数ペア:

[(1, 20155013895), (3, 6718337965), (5, 4031002779), (15, 1343667593), (19, 1060790205), (57, 353596735), (59, 341610405), (95, 212158041), (177, 113870135), (271, 74372745), (285, 70719347), (295, 68322081), (813, 24790915), (885, 22774027), (1121, 17979495), (1355, 14874549), (3363, 5993165), (4065, 4958183), (4423, 4556865), (5149, 3914355), (5605, 3595899), (13269, 1518955), (15447, 1304785), (15989, 1260555), (16815, 1198633), (22115, 911373), (25745, 782871), (47967, 420185), (66345, 303791), (77235, 260957), (79945, 252111), (84037, 239835)]