20676370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:811

約数の個数: 64

約数和(自身を含む): 46085760

約数和(自身を除く): 25409390

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 95, 110, 130, 143, 190, 209, 247, 286, 418, 494, 715, 761, 1045, 1235, 1430, 1522, 2090, 2470, 2717, 3805, 5434, 7610, 8371, 9893, 13585, 14459, 16742, 19786, 27170, 28918, 41855, 49465, 72295, 83710, 98930, 108823, 144590, 159049, 187967, 217646, 318098, 375934, 544115, 795245, 939835, 1088230, 1590490, 1879670, 2067637, 4135274, 10338185, 20676370]

約数ペア:

[(1, 20676370), (2, 10338185), (5, 4135274), (10, 2067637), (11, 1879670), (13, 1590490), (19, 1088230), (22, 939835), (26, 795245), (38, 544115), (55, 375934), (65, 318098), (95, 217646), (110, 187967), (130, 159049), (143, 144590), (190, 108823), (209, 98930), (247, 83710), (286, 72295), (418, 49465), (494, 41855), (715, 28918), (761, 27170), (1045, 19786), (1235, 16742), (1430, 14459), (1522, 13585), (2090, 9893), (2470, 8371), (2717, 7610), (3805, 5434)]