20280781081

素因数分解:

${\mathrm{11}}^3\times {\mathrm{61}}^1\times {\mathrm{439}}^1\times {\mathrm{569}}^1$

素因数の和:1102

約数の個数: 32

約数和(自身を含む): 22764614400

約数和(自身を除く): 2483833319

約数列:

[1, 11, 61, 121, 439, 569, 671, 1331, 4829, 6259, 7381, 26779, 34709, 53119, 68849, 81191, 249791, 294569, 381799, 584309, 757339, 2747701, 3240259, 4199789, 15237251, 30224711, 35642849, 46197679, 167609761, 332471821, 1843707371, 20280781081]

約数ペア:

[(1, 20280781081), (11, 1843707371), (61, 332471821), (121, 167609761), (439, 46197679), (569, 35642849), (671, 30224711), (1331, 15237251), (4829, 4199789), (6259, 3240259), (7381, 2747701), (26779, 757339), (34709, 584309), (53119, 381799), (68849, 294569), (81191, 249791)]