20828256

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^2\times {\mathrm{601}}^1$

素因数の和:652

約数の個数: 72

約数和(自身を含む): 57799224

約数和(自身を除く): 36970968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 152, 228, 304, 361, 456, 601, 608, 722, 912, 1083, 1202, 1444, 1803, 1824, 2166, 2404, 2888, 3606, 4332, 4808, 5776, 7212, 8664, 9616, 11419, 11552, 14424, 17328, 19232, 22838, 28848, 34257, 34656, 45676, 57696, 68514, 91352, 137028, 182704, 216961, 274056, 365408, 433922, 548112, 650883, 867844, 1096224, 1301766, 1735688, 2603532, 3471376, 5207064, 6942752, 10414128, 20828256]

約数ペア:

[(1, 20828256), (2, 10414128), (3, 6942752), (4, 5207064), (6, 3471376), (8, 2603532), (12, 1735688), (16, 1301766), (19, 1096224), (24, 867844), (32, 650883), (38, 548112), (48, 433922), (57, 365408), (76, 274056), (96, 216961), (114, 182704), (152, 137028), (228, 91352), (304, 68514), (361, 57696), (456, 45676), (601, 34656), (608, 34257), (722, 28848), (912, 22838), (1083, 19232), (1202, 17328), (1444, 14424), (1803, 11552), (1824, 11419), (2166, 9616), (2404, 8664), (2888, 7212), (3606, 5776), (4332, 4808)]