20659086

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:478

約数の個数: 72

約数和(自身を含む): 53085240

約数和(自身を除く): 32426154

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 59, 63, 98, 118, 126, 147, 177, 294, 354, 397, 413, 441, 531, 794, 826, 882, 1062, 1191, 1239, 2382, 2478, 2779, 2891, 3573, 3717, 5558, 5782, 7146, 7434, 8337, 8673, 16674, 17346, 19453, 23423, 25011, 26019, 38906, 46846, 50022, 52038, 58359, 70269, 116718, 140538, 163961, 175077, 210807, 327922, 350154, 421614, 491883, 983766, 1147727, 1475649, 2295454, 2951298, 3443181, 6886362, 10329543, 20659086]

約数ペア:

[(1, 20659086), (2, 10329543), (3, 6886362), (6, 3443181), (7, 2951298), (9, 2295454), (14, 1475649), (18, 1147727), (21, 983766), (42, 491883), (49, 421614), (59, 350154), (63, 327922), (98, 210807), (118, 175077), (126, 163961), (147, 140538), (177, 116718), (294, 70269), (354, 58359), (397, 52038), (413, 50022), (441, 46846), (531, 38906), (794, 26019), (826, 25011), (882, 23423), (1062, 19453), (1191, 17346), (1239, 16674), (2382, 8673), (2478, 8337), (2779, 7434), (2891, 7146), (3573, 5782), (3717, 5558)]