20651797150

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:766

約数の個数: 96

約数和(自身を含む): 39825584928

約数和(自身を除く): 19173787778

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 107, 173, 214, 265, 346, 421, 530, 535, 842, 865, 1070, 1325, 1730, 2105, 2650, 2675, 4210, 4325, 5350, 5671, 8650, 9169, 10525, 11342, 18338, 18511, 21050, 22313, 28355, 37022, 44626, 45047, 45845, 56710, 72833, 90094, 91690, 92555, 111565, 141775, 145666, 185110, 223130, 225235, 229225, 283550, 364165, 450470, 458450, 462775, 557825, 728330, 925550, 981083, 1115650, 1126175, 1820825, 1962166, 2252350, 2387491, 3641650, 3860149, 4774982, 4905415, 7720298, 7793131, 9810830, 11937455, 15586262, 19300745, 23874910, 24527075, 38601490, 38965655, 49054150, 59687275, 77931310, 96503725, 119374550, 193007450, 194828275, 389656550, 413035943, 826071886, 2065179715, 4130359430, 10325898575, 20651797150]

約数ペア:

[(1, 20651797150), (2, 10325898575), (5, 4130359430), (10, 2065179715), (25, 826071886), (50, 413035943), (53, 389656550), (106, 194828275), (107, 193007450), (173, 119374550), (214, 96503725), (265, 77931310), (346, 59687275), (421, 49054150), (530, 38965655), (535, 38601490), (842, 24527075), (865, 23874910), (1070, 19300745), (1325, 15586262), (1730, 11937455), (2105, 9810830), (2650, 7793131), (2675, 7720298), (4210, 4905415), (4325, 4774982), (5350, 3860149), (5671, 3641650), (8650, 2387491), (9169, 2252350), (10525, 1962166), (11342, 1820825), (18338, 1126175), (18511, 1115650), (21050, 981083), (22313, 925550), (28355, 728330), (37022, 557825), (44626, 462775), (45047, 458450), (45845, 450470), (56710, 364165), (72833, 283550), (90094, 229225), (91690, 225235), (92555, 223130), (111565, 185110), (141775, 145666)]