20163880010

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{12583}}^1$

素因数の和:12759

約数の個数: 64

約数和(自身を含む): 38423683584

約数和(自身を除く): 18259803574

約数列:

[1, 2, 5, 10, 37, 61, 71, 74, 122, 142, 185, 305, 355, 370, 610, 710, 2257, 2627, 4331, 4514, 5254, 8662, 11285, 12583, 13135, 21655, 22570, 25166, 26270, 43310, 62915, 125830, 160247, 320494, 465571, 767563, 801235, 893393, 931142, 1535126, 1602470, 1786786, 2327855, 3837815, 4466965, 4655710, 7675630, 8933930, 28399831, 33055541, 54496973, 56799662, 66111082, 108993946, 141999155, 165277705, 272484865, 283998310, 330555410, 544969730, 2016388001, 4032776002, 10081940005, 20163880010]

約数ペア:

[(1, 20163880010), (2, 10081940005), (5, 4032776002), (10, 2016388001), (37, 544969730), (61, 330555410), (71, 283998310), (74, 272484865), (122, 165277705), (142, 141999155), (185, 108993946), (305, 66111082), (355, 56799662), (370, 54496973), (610, 33055541), (710, 28399831), (2257, 8933930), (2627, 7675630), (4331, 4655710), (4514, 4466965), (5254, 3837815), (8662, 2327855), (11285, 1786786), (12583, 1602470), (13135, 1535126), (21655, 931142), (22570, 893393), (25166, 801235), (26270, 767563), (43310, 465571), (62915, 320494), (125830, 160247)]