20153668900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{169501}}^1$

素因数の和:169585

約数の個数: 72

約数和(自身を含む): 46345236840

約数和(自身を除く): 26191567940

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 41, 50, 58, 82, 100, 116, 145, 164, 205, 290, 410, 580, 725, 820, 1025, 1189, 1450, 2050, 2378, 2900, 4100, 4756, 5945, 11890, 23780, 29725, 59450, 118900, 169501, 339002, 678004, 847505, 1695010, 3390020, 4237525, 4915529, 6949541, 8475050, 9831058, 13899082, 16950100, 19662116, 24577645, 27798164, 34747705, 49155290, 69495410, 98310580, 122888225, 138990820, 173738525, 201536689, 245776450, 347477050, 403073378, 491552900, 694954100, 806146756, 1007683445, 2015366890, 4030733780, 5038417225, 10076834450, 20153668900]

約数ペア:

[(1, 20153668900), (2, 10076834450), (4, 5038417225), (5, 4030733780), (10, 2015366890), (20, 1007683445), (25, 806146756), (29, 694954100), (41, 491552900), (50, 403073378), (58, 347477050), (82, 245776450), (100, 201536689), (116, 173738525), (145, 138990820), (164, 122888225), (205, 98310580), (290, 69495410), (410, 49155290), (580, 34747705), (725, 27798164), (820, 24577645), (1025, 19662116), (1189, 16950100), (1450, 13899082), (2050, 9831058), (2378, 8475050), (2900, 6949541), (4100, 4915529), (4756, 4237525), (5945, 3390020), (11890, 1695010), (23780, 847505), (29725, 678004), (59450, 339002), (118900, 169501)]