20506206

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3671}}^1$

素因数の和:3709

約数の個数: 48

約数和(自身を含む): 50232960

約数和(自身を除く): 29726754

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 399, 798, 931, 1862, 2793, 3671, 5586, 7342, 11013, 22026, 25697, 51394, 69749, 77091, 139498, 154182, 179879, 209247, 359758, 418494, 488243, 539637, 976486, 1079274, 1464729, 2929458, 3417701, 6835402, 10253103, 20506206]

約数ペア:

[(1, 20506206), (2, 10253103), (3, 6835402), (6, 3417701), (7, 2929458), (14, 1464729), (19, 1079274), (21, 976486), (38, 539637), (42, 488243), (49, 418494), (57, 359758), (98, 209247), (114, 179879), (133, 154182), (147, 139498), (266, 77091), (294, 69749), (399, 51394), (798, 25697), (931, 22026), (1862, 11013), (2793, 7342), (3671, 5586)]