20124510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1571}}^1$

素因数の和:1649

約数の個数: 64

約数和(自身を含む): 56139264

約数和(自身を除く): 36014754

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 183, 210, 305, 366, 427, 610, 854, 915, 1281, 1571, 1830, 2135, 2562, 3142, 4270, 4713, 6405, 7855, 9426, 10997, 12810, 15710, 21994, 23565, 32991, 47130, 54985, 65982, 95831, 109970, 164955, 191662, 287493, 329910, 479155, 574986, 670817, 958310, 1341634, 1437465, 2012451, 2874930, 3354085, 4024902, 6708170, 10062255, 20124510]

約数ペア:

[(1, 20124510), (2, 10062255), (3, 6708170), (5, 4024902), (6, 3354085), (7, 2874930), (10, 2012451), (14, 1437465), (15, 1341634), (21, 958310), (30, 670817), (35, 574986), (42, 479155), (61, 329910), (70, 287493), (105, 191662), (122, 164955), (183, 109970), (210, 95831), (305, 65982), (366, 54985), (427, 47130), (610, 32991), (854, 23565), (915, 21994), (1281, 15710), (1571, 12810), (1830, 10997), (2135, 9426), (2562, 7855), (3142, 6405), (4270, 4713)]