20176657228

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{538159}}^1$

素因数の和:538286

約数の個数: 48

約数和(自身を含む): 43879413760

約数和(自身を除く): 23702756532

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 103, 182, 206, 364, 412, 721, 1339, 1442, 2678, 2884, 5356, 9373, 18746, 37492, 538159, 1076318, 2152636, 3767113, 6996067, 7534226, 13992134, 15068452, 27984268, 48972469, 55430377, 97944938, 110860754, 195889876, 221721508, 388012639, 720594901, 776025278, 1441189802, 1552050556, 2882379604, 5044164307, 10088328614, 20176657228]

約数ペア:

[(1, 20176657228), (2, 10088328614), (4, 5044164307), (7, 2882379604), (13, 1552050556), (14, 1441189802), (26, 776025278), (28, 720594901), (52, 388012639), (91, 221721508), (103, 195889876), (182, 110860754), (206, 97944938), (364, 55430377), (412, 48972469), (721, 27984268), (1339, 15068452), (1442, 13992134), (2678, 7534226), (2884, 6996067), (5356, 3767113), (9373, 2152636), (18746, 1076318), (37492, 538159)]