20709962

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 20658358

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 53, 91, 106, 113, 133, 182, 226, 247, 266, 371, 494, 689, 742, 791, 1007, 1378, 1469, 1582, 1729, 2014, 2147, 2938, 3458, 4294, 4823, 5989, 7049, 9646, 10283, 11978, 13091, 14098, 15029, 20566, 26182, 27911, 30058, 41923, 55822, 77857, 83846, 91637, 113791, 155714, 183274, 195377, 227582, 390754, 544999, 796537, 1089998, 1479283, 1593074, 2958566, 10354981, 20709962]

約数ペア:

[(1, 20709962), (2, 10354981), (7, 2958566), (13, 1593074), (14, 1479283), (19, 1089998), (26, 796537), (38, 544999), (53, 390754), (91, 227582), (106, 195377), (113, 183274), (133, 155714), (182, 113791), (226, 91637), (247, 83846), (266, 77857), (371, 55822), (494, 41923), (689, 30058), (742, 27911), (791, 26182), (1007, 20566), (1378, 15029), (1469, 14098), (1582, 13091), (1729, 11978), (2014, 10283), (2147, 9646), (2938, 7049), (3458, 5989), (4294, 4823)]