20740742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{59}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 37627200

約数和(自身を除く): 16886458

約数列:

[1, 2, 11, 19, 22, 29, 38, 58, 59, 118, 209, 319, 418, 551, 638, 649, 841, 1102, 1121, 1298, 1682, 1711, 2242, 3422, 6061, 9251, 12122, 12331, 15979, 18502, 18821, 24662, 31958, 32509, 37642, 49619, 65018, 99238, 175769, 351538, 357599, 545809, 715198, 942761, 1091618, 1885522, 10370371, 20740742]

約数ペア:

[(1, 20740742), (2, 10370371), (11, 1885522), (19, 1091618), (22, 942761), (29, 715198), (38, 545809), (58, 357599), (59, 351538), (118, 175769), (209, 99238), (319, 65018), (418, 49619), (551, 37642), (638, 32509), (649, 31958), (841, 24662), (1102, 18821), (1121, 18502), (1298, 15979), (1682, 12331), (1711, 12122), (2242, 9251), (3422, 6061)]