20512695560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{44917}}^1$

素因数の和:45175

約数の個数: 96

約数和(自身を含む): 53920465560

約数和(自身を除く): 33407770000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 233, 245, 280, 392, 466, 490, 932, 980, 1165, 1631, 1864, 1960, 2330, 3262, 4660, 6524, 8155, 9320, 11417, 13048, 16310, 22834, 32620, 44917, 45668, 57085, 65240, 89834, 91336, 114170, 179668, 224585, 228340, 314419, 359336, 449170, 456680, 628838, 898340, 1257676, 1572095, 1796680, 2200933, 2515352, 3144190, 4401866, 6288380, 8803732, 10465661, 11004665, 12576760, 17607464, 20931322, 22009330, 41862644, 44018660, 52328305, 73259627, 83725288, 88037320, 104656610, 146519254, 209313220, 293038508, 366298135, 418626440, 512817389, 586077016, 732596270, 1025634778, 1465192540, 2051269556, 2564086945, 2930385080, 4102539112, 5128173890, 10256347780, 20512695560]

約数ペア:

[(1, 20512695560), (2, 10256347780), (4, 5128173890), (5, 4102539112), (7, 2930385080), (8, 2564086945), (10, 2051269556), (14, 1465192540), (20, 1025634778), (28, 732596270), (35, 586077016), (40, 512817389), (49, 418626440), (56, 366298135), (70, 293038508), (98, 209313220), (140, 146519254), (196, 104656610), (233, 88037320), (245, 83725288), (280, 73259627), (392, 52328305), (466, 44018660), (490, 41862644), (932, 22009330), (980, 20931322), (1165, 17607464), (1631, 12576760), (1864, 11004665), (1960, 10465661), (2330, 8803732), (3262, 6288380), (4660, 4401866), (6524, 3144190), (8155, 2515352), (9320, 2200933), (11417, 1796680), (13048, 1572095), (16310, 1257676), (22834, 898340), (32620, 628838), (44917, 456680), (45668, 449170), (57085, 359336), (65240, 314419), (89834, 228340), (91336, 224585), (114170, 179668)]