20392476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3533}}^1$

素因数の和:3590

約数の個数: 48

約数和(自身を含む): 52642464

約数和(自身を除く): 32249988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3533, 5772, 7066, 10599, 14132, 21198, 42396, 45929, 91858, 130721, 137787, 183716, 261442, 275574, 392163, 522884, 551148, 784326, 1568652, 1699373, 3398746, 5098119, 6797492, 10196238, 20392476]

約数ペア:

[(1, 20392476), (2, 10196238), (3, 6797492), (4, 5098119), (6, 3398746), (12, 1699373), (13, 1568652), (26, 784326), (37, 551148), (39, 522884), (52, 392163), (74, 275574), (78, 261442), (111, 183716), (148, 137787), (156, 130721), (222, 91858), (444, 45929), (481, 42396), (962, 21198), (1443, 14132), (1924, 10599), (2886, 7066), (3533, 5772)]