20464330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 20903990

約数列:

[1, 2, 5, 10, 19, 37, 38, 41, 71, 74, 82, 95, 142, 185, 190, 205, 355, 370, 410, 703, 710, 779, 1349, 1406, 1517, 1558, 2627, 2698, 2911, 3034, 3515, 3895, 5254, 5822, 6745, 7030, 7585, 7790, 13135, 13490, 14555, 15170, 26270, 28823, 29110, 49913, 55309, 57646, 99826, 107707, 110618, 144115, 215414, 249565, 276545, 288230, 499130, 538535, 553090, 1077070, 2046433, 4092866, 10232165, 20464330]

約数ペア:

[(1, 20464330), (2, 10232165), (5, 4092866), (10, 2046433), (19, 1077070), (37, 553090), (38, 538535), (41, 499130), (71, 288230), (74, 276545), (82, 249565), (95, 215414), (142, 144115), (185, 110618), (190, 107707), (205, 99826), (355, 57646), (370, 55309), (410, 49913), (703, 29110), (710, 28823), (779, 26270), (1349, 15170), (1406, 14555), (1517, 13490), (1558, 13135), (2627, 7790), (2698, 7585), (2911, 7030), (3034, 6745), (3515, 5822), (3895, 5254)]