20193199760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{577}}^1\times {\mathrm{25733}}^1$

素因数の和:26340

約数の個数: 80

約数和(自身を含む): 49798995696

約数和(自身を除く): 29605795936

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 577, 680, 1154, 1360, 2308, 2885, 4616, 5770, 9232, 9809, 11540, 19618, 23080, 25733, 39236, 46160, 49045, 51466, 78472, 98090, 102932, 128665, 156944, 196180, 205864, 257330, 392360, 411728, 437461, 514660, 784720, 874922, 1029320, 1749844, 2058640, 2187305, 3499688, 4374610, 6999376, 8749220, 14847941, 17498440, 29695882, 34996880, 59391764, 74239705, 118783528, 148479410, 237567056, 252414997, 296958820, 504829994, 593917640, 1009659988, 1187835280, 1262074985, 2019319976, 2524149970, 4038639952, 5048299940, 10096599880, 20193199760]

約数ペア:

[(1, 20193199760), (2, 10096599880), (4, 5048299940), (5, 4038639952), (8, 2524149970), (10, 2019319976), (16, 1262074985), (17, 1187835280), (20, 1009659988), (34, 593917640), (40, 504829994), (68, 296958820), (80, 252414997), (85, 237567056), (136, 148479410), (170, 118783528), (272, 74239705), (340, 59391764), (577, 34996880), (680, 29695882), (1154, 17498440), (1360, 14847941), (2308, 8749220), (2885, 6999376), (4616, 4374610), (5770, 3499688), (9232, 2187305), (9809, 2058640), (11540, 1749844), (19618, 1029320), (23080, 874922), (25733, 784720), (39236, 514660), (46160, 437461), (49045, 411728), (51466, 392360), (78472, 257330), (98090, 205864), (102932, 196180), (128665, 156944)]