20093920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{233}}^1$

素因数の和:273

約数の個数: 144

約数和(自身を含む): 60501168

約数和(自身を除く): 40407248

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 233, 245, 280, 308, 352, 385, 392, 440, 466, 490, 539, 560, 616, 770, 784, 880, 932, 980, 1078, 1120, 1165, 1232, 1540, 1568, 1631, 1760, 1864, 1960, 2156, 2330, 2464, 2563, 2695, 3080, 3262, 3728, 3920, 4312, 4660, 5126, 5390, 6160, 6524, 7456, 7840, 8155, 8624, 9320, 10252, 10780, 11417, 12320, 12815, 13048, 16310, 17248, 17941, 18640, 20504, 21560, 22834, 25630, 26096, 32620, 35882, 37280, 41008, 43120, 45668, 51260, 52192, 57085, 65240, 71764, 82016, 86240, 89705, 91336, 102520, 114170, 125587, 130480, 143528, 179410, 182672, 205040, 228340, 251174, 260960, 287056, 358820, 365344, 410080, 456680, 502348, 574112, 627935, 717640, 913360, 1004696, 1255870, 1435280, 1826720, 2009392, 2511740, 2870560, 4018784, 5023480, 10046960, 20093920]

約数ペア:

[(1, 20093920), (2, 10046960), (4, 5023480), (5, 4018784), (7, 2870560), (8, 2511740), (10, 2009392), (11, 1826720), (14, 1435280), (16, 1255870), (20, 1004696), (22, 913360), (28, 717640), (32, 627935), (35, 574112), (40, 502348), (44, 456680), (49, 410080), (55, 365344), (56, 358820), (70, 287056), (77, 260960), (80, 251174), (88, 228340), (98, 205040), (110, 182672), (112, 179410), (140, 143528), (154, 130480), (160, 125587), (176, 114170), (196, 102520), (220, 91336), (224, 89705), (233, 86240), (245, 82016), (280, 71764), (308, 65240), (352, 57085), (385, 52192), (392, 51260), (440, 45668), (466, 43120), (490, 41008), (539, 37280), (560, 35882), (616, 32620), (770, 26096), (784, 25630), (880, 22834), (932, 21560), (980, 20504), (1078, 18640), (1120, 17941), (1165, 17248), (1232, 16310), (1540, 13048), (1568, 12815), (1631, 12320), (1760, 11417), (1864, 10780), (1960, 10252), (2156, 9320), (2330, 8624), (2464, 8155), (2563, 7840), (2695, 7456), (3080, 6524), (3262, 6160), (3728, 5390), (3920, 5126), (4312, 4660)]