20653992

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{7753}}^1$

素因数の和:7802

約数の個数: 48

約数和(自身を含む): 57457140

約数和(自身を除く): 36803148

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 7753, 15506, 23259, 31012, 46518, 62024, 69777, 93036, 139554, 186072, 279108, 286861, 558216, 573722, 860583, 1147444, 1721166, 2294888, 2581749, 3442332, 5163498, 6884664, 10326996, 20653992]

約数ペア:

[(1, 20653992), (2, 10326996), (3, 6884664), (4, 5163498), (6, 3442332), (8, 2581749), (9, 2294888), (12, 1721166), (18, 1147444), (24, 860583), (36, 573722), (37, 558216), (72, 286861), (74, 279108), (111, 186072), (148, 139554), (222, 93036), (296, 69777), (333, 62024), (444, 46518), (666, 31012), (888, 23259), (1332, 15506), (2664, 7753)]