20576374

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 39989376

約数和(自身を除く): 19413002

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 62, 91, 98, 182, 217, 403, 434, 521, 637, 806, 1042, 1274, 1519, 2821, 3038, 3647, 5642, 6773, 7294, 13546, 16151, 19747, 25529, 32302, 39494, 47411, 51058, 94822, 113057, 209963, 226114, 331877, 419926, 663754, 791399, 1469741, 1582798, 2939482, 10288187, 20576374]

約数ペア:

[(1, 20576374), (2, 10288187), (7, 2939482), (13, 1582798), (14, 1469741), (26, 791399), (31, 663754), (49, 419926), (62, 331877), (91, 226114), (98, 209963), (182, 113057), (217, 94822), (403, 51058), (434, 47411), (521, 39494), (637, 32302), (806, 25529), (1042, 19747), (1274, 16151), (1519, 13546), (2821, 7294), (3038, 6773), (3647, 5642)]