20121793912472

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{12697}}^1\times {\mathrm{189929}}^1$

素因数の和:202788

約数の個数: 64

約数和(自身を含む): 43411160520000

約数和(自身を除く): 23289366607528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 4172, 8344, 12697, 25394, 50788, 88879, 101576, 177758, 189929, 355516, 379858, 711032, 759716, 1329503, 1519432, 1891853, 2659006, 3783706, 5318012, 7567412, 10636024, 13242971, 15134824, 26485942, 28299421, 52971884, 56598842, 105943768, 113197684, 198095947, 226395368, 396191894, 792383788, 1584767576, 2411528513, 4823057026, 9646114052, 16880699591, 19292228104, 33761399182, 67522798364, 135045596728, 359317748437, 718635496874, 1437270993748, 2515224239059, 2874541987496, 5030448478118, 10060896956236, 20121793912472]

約数ペア:

[(1, 20121793912472), (2, 10060896956236), (4, 5030448478118), (7, 2874541987496), (8, 2515224239059), (14, 1437270993748), (28, 718635496874), (56, 359317748437), (149, 135045596728), (298, 67522798364), (596, 33761399182), (1043, 19292228104), (1192, 16880699591), (2086, 9646114052), (4172, 4823057026), (8344, 2411528513), (12697, 1584767576), (25394, 792383788), (50788, 396191894), (88879, 226395368), (101576, 198095947), (177758, 113197684), (189929, 105943768), (355516, 56598842), (379858, 52971884), (711032, 28299421), (759716, 26485942), (1329503, 15134824), (1519432, 13242971), (1891853, 10636024), (2659006, 7567412), (3783706, 5318012)]