20072688320

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{46499}}^1$

素因数の和:46606

約数の個数: 112

約数和(自身を含む): 51023520000

約数和(自身を除く): 30950831680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 71, 76, 80, 95, 142, 152, 160, 190, 284, 304, 320, 355, 380, 568, 608, 710, 760, 1136, 1216, 1349, 1420, 1520, 2272, 2698, 2840, 3040, 4544, 5396, 5680, 6080, 6745, 10792, 11360, 13490, 21584, 22720, 26980, 43168, 46499, 53960, 86336, 92998, 107920, 185996, 215840, 232495, 371992, 431680, 464990, 743984, 883481, 929980, 1487968, 1766962, 1859960, 2975936, 3301429, 3533924, 3719920, 4417405, 6602858, 7067848, 7439840, 8834810, 13205716, 14135696, 14879680, 16507145, 17669620, 26411432, 28271392, 33014290, 35339240, 52822864, 56542784, 62727151, 66028580, 70678480, 105645728, 125454302, 132057160, 141356960, 211291456, 250908604, 264114320, 282713920, 313635755, 501817208, 528228640, 627271510, 1003634416, 1056457280, 1254543020, 2007268832, 2509086040, 4014537664, 5018172080, 10036344160, 20072688320]

約数ペア:

[(1, 20072688320), (2, 10036344160), (4, 5018172080), (5, 4014537664), (8, 2509086040), (10, 2007268832), (16, 1254543020), (19, 1056457280), (20, 1003634416), (32, 627271510), (38, 528228640), (40, 501817208), (64, 313635755), (71, 282713920), (76, 264114320), (80, 250908604), (95, 211291456), (142, 141356960), (152, 132057160), (160, 125454302), (190, 105645728), (284, 70678480), (304, 66028580), (320, 62727151), (355, 56542784), (380, 52822864), (568, 35339240), (608, 33014290), (710, 28271392), (760, 26411432), (1136, 17669620), (1216, 16507145), (1349, 14879680), (1420, 14135696), (1520, 13205716), (2272, 8834810), (2698, 7439840), (2840, 7067848), (3040, 6602858), (4544, 4417405), (5396, 3719920), (5680, 3533924), (6080, 3301429), (6745, 2975936), (10792, 1859960), (11360, 1766962), (13490, 1487968), (21584, 929980), (22720, 883481), (26980, 743984), (43168, 464990), (46499, 431680), (53960, 371992), (86336, 232495), (92998, 215840), (107920, 185996)]