20422948

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2953}}^1$

素因数の和:2996

約数の個数: 48

約数和(自身を含む): 46318720

約数和(自身を除く): 25895772

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 2953, 3458, 5906, 6916, 11812, 20671, 38389, 41342, 56107, 76778, 82684, 112214, 153556, 224428, 268723, 392749, 537446, 729391, 785498, 1074892, 1458782, 1570996, 2917564, 5105737, 10211474, 20422948]

約数ペア:

[(1, 20422948), (2, 10211474), (4, 5105737), (7, 2917564), (13, 1570996), (14, 1458782), (19, 1074892), (26, 785498), (28, 729391), (38, 537446), (52, 392749), (76, 268723), (91, 224428), (133, 153556), (182, 112214), (247, 82684), (266, 76778), (364, 56107), (494, 41342), (532, 38389), (988, 20671), (1729, 11812), (2953, 6916), (3458, 5906)]