20186058675

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{272141}}^1$

素因数の和:272220

約数の個数: 48

約数和(自身を含む): 35635362048

約数和(自身を除く): 15449303373

約数列:

[1, 3, 5, 15, 23, 25, 43, 69, 75, 115, 129, 215, 345, 575, 645, 989, 1075, 1725, 2967, 3225, 4945, 14835, 24725, 74175, 272141, 816423, 1360705, 4082115, 6259243, 6803525, 11702063, 18777729, 20410575, 31296215, 35106189, 58510315, 93888645, 156481075, 175530945, 269147449, 292551575, 469443225, 807442347, 877654725, 1345737245, 4037211735, 6728686225, 20186058675]

約数ペア:

[(1, 20186058675), (3, 6728686225), (5, 4037211735), (15, 1345737245), (23, 877654725), (25, 807442347), (43, 469443225), (69, 292551575), (75, 269147449), (115, 175530945), (129, 156481075), (215, 93888645), (345, 58510315), (575, 35106189), (645, 31296215), (989, 20410575), (1075, 18777729), (1725, 11702063), (2967, 6803525), (3225, 6259243), (4945, 4082115), (14835, 1360705), (24725, 816423), (74175, 272141)]