20724952010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{739}}^1\times {\mathrm{17419}}^1$

素因数の和:18195

約数の個数: 64

約数和(自身を含む): 44550604800

約数和(自身を除く): 23825652790

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 739, 805, 1478, 1610, 3695, 5173, 7390, 10346, 16997, 17419, 25865, 33994, 34838, 51730, 84985, 87095, 118979, 121933, 169970, 174190, 237958, 243866, 400637, 594895, 609665, 801274, 1189790, 1219330, 2003185, 2804459, 4006370, 5608918, 12872641, 14022295, 25745282, 28044590, 64363205, 90108487, 128726410, 180216974, 296070743, 450542435, 592141486, 901084870, 1480353715, 2072495201, 2960707430, 4144990402, 10362476005, 20724952010]

約数ペア:

[(1, 20724952010), (2, 10362476005), (5, 4144990402), (7, 2960707430), (10, 2072495201), (14, 1480353715), (23, 901084870), (35, 592141486), (46, 450542435), (70, 296070743), (115, 180216974), (161, 128726410), (230, 90108487), (322, 64363205), (739, 28044590), (805, 25745282), (1478, 14022295), (1610, 12872641), (3695, 5608918), (5173, 4006370), (7390, 2804459), (10346, 2003185), (16997, 1219330), (17419, 1189790), (25865, 801274), (33994, 609665), (34838, 594895), (51730, 400637), (84985, 243866), (87095, 237958), (118979, 174190), (121933, 169970)]