20165037475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1\times {\mathrm{7177}}^1$

素因数の和:7816

約数の個数: 48

約数和(自身を含む): 28934460576

約数和(自身を除く): 8769423101

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 601, 935, 3005, 4675, 6611, 7177, 10217, 15025, 33055, 35885, 51085, 78947, 112387, 122009, 165275, 179425, 255425, 394735, 561935, 610045, 1342099, 1973675, 2809675, 3050225, 4313377, 6710495, 21566885, 33552475, 47447147, 73327409, 107834425, 237235735, 366637045, 806601499, 1186178675, 1833185225, 4033007495, 20165037475]

約数ペア:

[(1, 20165037475), (5, 4033007495), (11, 1833185225), (17, 1186178675), (25, 806601499), (55, 366637045), (85, 237235735), (187, 107834425), (275, 73327409), (425, 47447147), (601, 33552475), (935, 21566885), (3005, 6710495), (4675, 4313377), (6611, 3050225), (7177, 2809675), (10217, 1973675), (15025, 1342099), (33055, 610045), (35885, 561935), (51085, 394735), (78947, 255425), (112387, 179425), (122009, 165275)]