20139735

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:133

約数の個数: 96

約数和(自身を含む): 42550272

約数和(自身を除く): 22410537

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 47, 49, 53, 55, 77, 105, 141, 147, 159, 165, 231, 235, 245, 265, 329, 371, 385, 517, 539, 583, 705, 735, 795, 987, 1113, 1155, 1551, 1617, 1645, 1749, 1855, 2303, 2491, 2585, 2597, 2695, 2915, 3619, 4081, 4935, 5565, 6909, 7473, 7755, 7791, 8085, 8745, 10857, 11515, 12243, 12455, 12985, 17437, 18095, 20405, 25333, 27401, 28567, 34545, 37365, 38955, 52311, 54285, 61215, 75999, 82203, 85701, 87185, 122059, 126665, 137005, 142835, 191807, 261555, 366177, 379995, 411015, 428505, 575421, 610295, 959035, 1342649, 1830885, 2877105, 4027947, 6713245, 20139735]

約数ペア:

[(1, 20139735), (3, 6713245), (5, 4027947), (7, 2877105), (11, 1830885), (15, 1342649), (21, 959035), (33, 610295), (35, 575421), (47, 428505), (49, 411015), (53, 379995), (55, 366177), (77, 261555), (105, 191807), (141, 142835), (147, 137005), (159, 126665), (165, 122059), (231, 87185), (235, 85701), (245, 82203), (265, 75999), (329, 61215), (371, 54285), (385, 52311), (517, 38955), (539, 37365), (583, 34545), (705, 28567), (735, 27401), (795, 25333), (987, 20405), (1113, 18095), (1155, 17437), (1551, 12985), (1617, 12455), (1645, 12243), (1749, 11515), (1855, 10857), (2303, 8745), (2491, 8085), (2585, 7791), (2597, 7755), (2695, 7473), (2915, 6909), (3619, 5565), (4081, 4935)]