20168382996

素因数分解:

$2^2\times 3^3\times {\mathrm{653}}^1\times {\mathrm{285979}}^1$

素因数の和:286645

約数の個数: 48

約数和(自身を含む): 52368657600

約数和(自身を除く): 32200274604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 653, 1306, 1959, 2612, 3918, 5877, 7836, 11754, 17631, 23508, 35262, 70524, 285979, 571958, 857937, 1143916, 1715874, 2573811, 3431748, 5147622, 7721433, 10295244, 15442866, 30885732, 186744287, 373488574, 560232861, 746977148, 1120465722, 1680698583, 2240931444, 3361397166, 5042095749, 6722794332, 10084191498, 20168382996]

約数ペア:

[(1, 20168382996), (2, 10084191498), (3, 6722794332), (4, 5042095749), (6, 3361397166), (9, 2240931444), (12, 1680698583), (18, 1120465722), (27, 746977148), (36, 560232861), (54, 373488574), (108, 186744287), (653, 30885732), (1306, 15442866), (1959, 10295244), (2612, 7721433), (3918, 5147622), (5877, 3431748), (7836, 2573811), (11754, 1715874), (17631, 1143916), (23508, 857937), (35262, 571958), (70524, 285979)]