20807714543630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1979}}^1\times {\mathrm{598421}}^1$

素因数の和:600665

約数の個数: 64

約数和(自身を含む): 42996764321280

約数和(自身を除く): 22189049777650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1255, 1757, 1979, 2510, 3514, 3958, 8785, 9895, 13853, 17570, 19790, 27706, 69265, 138530, 496729, 598421, 993458, 1196842, 2483645, 2992105, 3477103, 4188947, 4967290, 5984210, 6954206, 8377894, 17385515, 20944735, 34771030, 41889470, 150203671, 300407342, 751018355, 1051425697, 1184275159, 1502036710, 2102851394, 2368550318, 5257128485, 5921375795, 8289926113, 10514256970, 11842751590, 16579852226, 41449630565, 82899261130, 297253064909, 594506129818, 1486265324545, 2080771454363, 2972530649090, 4161542908726, 10403857271815, 20807714543630]

約数ペア:

[(1, 20807714543630), (2, 10403857271815), (5, 4161542908726), (7, 2972530649090), (10, 2080771454363), (14, 1486265324545), (35, 594506129818), (70, 297253064909), (251, 82899261130), (502, 41449630565), (1255, 16579852226), (1757, 11842751590), (1979, 10514256970), (2510, 8289926113), (3514, 5921375795), (3958, 5257128485), (8785, 2368550318), (9895, 2102851394), (13853, 1502036710), (17570, 1184275159), (19790, 1051425697), (27706, 751018355), (69265, 300407342), (138530, 150203671), (496729, 41889470), (598421, 34771030), (993458, 20944735), (1196842, 17385515), (2483645, 8377894), (2992105, 6954206), (3477103, 5984210), (4188947, 4967290)]