20006525

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 32616960

約数和(自身を除く): 12610435

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 133, 175, 209, 275, 385, 475, 547, 665, 1045, 1463, 1925, 2735, 3325, 3829, 5225, 6017, 7315, 10393, 13675, 19145, 30085, 36575, 42119, 51965, 72751, 95725, 114323, 150425, 210595, 259825, 363755, 571615, 800261, 1052975, 1818775, 2858075, 4001305, 20006525]

約数ペア:

[(1, 20006525), (5, 4001305), (7, 2858075), (11, 1818775), (19, 1052975), (25, 800261), (35, 571615), (55, 363755), (77, 259825), (95, 210595), (133, 150425), (175, 114323), (209, 95725), (275, 72751), (385, 51965), (475, 42119), (547, 36575), (665, 30085), (1045, 19145), (1463, 13675), (1925, 10393), (2735, 7315), (3325, 6017), (3829, 5225)]