20718204

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2251}}^1$

素因数の和:2330

約数の個数: 48

約数和(自身を含む): 52967040

約数和(自身を除く): 32248836

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 59, 78, 118, 156, 177, 236, 354, 708, 767, 1534, 2251, 2301, 3068, 4502, 4602, 6753, 9004, 9204, 13506, 27012, 29263, 58526, 87789, 117052, 132809, 175578, 265618, 351156, 398427, 531236, 796854, 1593708, 1726517, 3453034, 5179551, 6906068, 10359102, 20718204]

約数ペア:

[(1, 20718204), (2, 10359102), (3, 6906068), (4, 5179551), (6, 3453034), (12, 1726517), (13, 1593708), (26, 796854), (39, 531236), (52, 398427), (59, 351156), (78, 265618), (118, 175578), (156, 132809), (177, 117052), (236, 87789), (354, 58526), (708, 29263), (767, 27012), (1534, 13506), (2251, 9204), (2301, 9004), (3068, 6753), (4502, 4602)]