2020321718

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 3481885440

約数和(自身を除く): 1461563722

約数列:

[1, 2, 17, 19, 34, 38, 43, 86, 257, 283, 323, 514, 566, 646, 731, 817, 1462, 1634, 4369, 4811, 4883, 5377, 8738, 9622, 9766, 10754, 11051, 12169, 13889, 22102, 24338, 27778, 72731, 83011, 91409, 145462, 166022, 182818, 187867, 206873, 209969, 231211, 375734, 413746, 419938, 462422, 1236427, 1381889, 2472854, 2763778, 3127433, 3569473, 3930587, 6254866, 7138946, 7861174, 23492113, 46984226, 53166361, 59421227, 106332722, 118842454, 1010160859, 2020321718]

約数ペア:

[(1, 2020321718), (2, 1010160859), (17, 118842454), (19, 106332722), (34, 59421227), (38, 53166361), (43, 46984226), (86, 23492113), (257, 7861174), (283, 7138946), (323, 6254866), (514, 3930587), (566, 3569473), (646, 3127433), (731, 2763778), (817, 2472854), (1462, 1381889), (1634, 1236427), (4369, 462422), (4811, 419938), (4883, 413746), (5377, 375734), (8738, 231211), (9622, 209969), (9766, 206873), (10754, 187867), (11051, 182818), (12169, 166022), (13889, 145462), (22102, 91409), (24338, 83011), (27778, 72731)]